diff --git a/apps/documenteditor/main/app/controller/LeftMenu.js b/apps/documenteditor/main/app/controller/LeftMenu.js
index e9bdf9c453..4c5328a83e 100644
--- a/apps/documenteditor/main/app/controller/LeftMenu.js
+++ b/apps/documenteditor/main/app/controller/LeftMenu.js
@@ -694,13 +694,15 @@ define([
         SetDisabled: function(disable, options) {
             if (this.leftMenu._state.disabled !== disable) {
                 this.leftMenu._state.disabled = disable;
-                if (disable) {
-                    this.previsEdit = this.mode.isEdit;
-                    this.prevcanEdit = this.mode.canEdit;
-                    this.mode.isEdit = this.mode.canEdit = !disable;
-                } else {
-                    this.mode.isEdit = this.previsEdit;
-                    this.mode.canEdit = this.prevcanEdit;
+                if (this.mode) {
+                    if (disable) {
+                        this.previsEdit = this.mode.isEdit;
+                        this.prevcanEdit = this.mode.canEdit;
+                        this.mode.isEdit = this.mode.canEdit = !disable;
+                    } else {
+                        this.mode.isEdit = this.previsEdit;
+                        this.mode.canEdit = this.prevcanEdit;
+                    }
                 }
             }
 
diff --git a/apps/documenteditor/main/app/controller/Main.js b/apps/documenteditor/main/app/controller/Main.js
index a949c35b4b..590033b4b1 100644
--- a/apps/documenteditor/main/app/controller/Main.js
+++ b/apps/documenteditor/main/app/controller/Main.js
@@ -1113,12 +1113,10 @@ define([
                 if ( id == Asc.c_oAscAsyncAction['Disconnect']) {
                     this._state.timerDisconnect && clearTimeout(this._state.timerDisconnect);
                     this.disableEditing(false, 'reconnect');
-                    // this.getApplication().getController('Statusbar').hideDisconnectTip();
                     Common.UI.TooltipManager.closeTip('disconnect');
                     this.getApplication().getController('Statusbar').setStatusCaption(this.textReconnect);
                 } else if (id === Asc.c_oAscAsyncAction['RefreshFile'])  {
                     this.disableEditing(false, 'refresh-file');
-                    // this.getApplication().getController('Statusbar').hideDisconnectTip();
                     Common.UI.TooltipManager.closeTip('refreshFile');
                     this.getApplication().getController('Statusbar').setStatusCaption('');
                 }
@@ -1229,7 +1227,6 @@ define([
                         statusCallback = function() {
                             me._state.timerDisconnect = setTimeout(function(){
                                 Common.UI.TooltipManager.showTip('disconnect');
-                                // me.getApplication().getController('Statusbar').showDisconnectTip();
                             }, me._state.unloadTimer || 0);
                         };
                         break;
@@ -1240,7 +1237,6 @@ define([
                         Common.UI.Menu.Manager.hideAll();
                         this.disableEditing(true, 'refresh-file');
                         Common.UI.TooltipManager.showTip('refreshFile');
-                        // this.getApplication().getController('Statusbar').showDisconnectTip(this.textUpdateVersion);
                         break;
 
                     case Asc.c_oAscAsyncAction['Submit']:
@@ -2603,18 +2599,6 @@ define([
                                                         }});
                 this.disableEditing(true, 'not-loaded');
                 Common.NotificationCenter.trigger('api:disconnect');
-
-                // Common.UI.warning({
-                //     title: me.titleUpdateVersion,
-                //     msg: this.errorUpdateVersion,
-                //     callback: function() {
-                //         _.defer(function() {
-                //             Common.Gateway.updateVersion();
-                //             if (callback) callback.call(me);
-                //             me.onLongActionBegin(Asc.c_oAscAsyncActionType['BlockInteraction'], LoadingDocument);
-                //         })
-                //     }
-                // });
             },
 
             onServerVersion: function(buildVersion) {
diff --git a/apps/documenteditor/main/app/view/LeftMenu.js b/apps/documenteditor/main/app/view/LeftMenu.js
index 70211eaca3..0a61aa597f 100644
--- a/apps/documenteditor/main/app/view/LeftMenu.js
+++ b/apps/documenteditor/main/app/view/LeftMenu.js
@@ -306,7 +306,7 @@ define([
                 if (!this._state.pluginIsRunning)
                     this.$el.width(SCALE_MIN);
                 /** coauthoring begin **/
-                if (this.mode.canCoAuthoring) {
+                if (this.mode && this.mode.canCoAuthoring) {
                     if (this.mode.canViewComments) {
                         this.panelComments && this.panelComments['hide']();
                         if (this.btnComments.pressed)
diff --git a/apps/documenteditor/main/app/view/Toolbar.js b/apps/documenteditor/main/app/view/Toolbar.js
index 3f6afbdd4f..594e6a3233 100644
--- a/apps/documenteditor/main/app/view/Toolbar.js
+++ b/apps/documenteditor/main/app/view/Toolbar.js
@@ -1978,7 +1978,7 @@ define([
                     tab = $(e.currentTarget).find('> a[data-tab]').data('tab'),
                     is_file_active = me.isTabActive('file');
 
-                if (tab === 'file' && !Common.Controllers.LaunchController.isScriptLoaded()) return;
+                if (!me._isDocReady || tab === 'file' && !Common.Controllers.LaunchController.isScriptLoaded()) return;
 
                 Common.UI.Mixtbar.prototype.onTabClick.apply(me, arguments);
 
@@ -2109,6 +2109,7 @@ define([
 
             onAppReady: function (config) {
                 var me = this;
+                me._isDocReady = true;
                 if (me.cmbFontSize) {
                     var lang = config.lang ? config.lang.toLowerCase() : 'en',
                         langPrefix = lang.split(/[\-_]/)[0];
diff --git a/apps/pdfeditor/main/app/controller/LeftMenu.js b/apps/pdfeditor/main/app/controller/LeftMenu.js
index cd05c18e6b..e1ac1a3d42 100644
--- a/apps/pdfeditor/main/app/controller/LeftMenu.js
+++ b/apps/pdfeditor/main/app/controller/LeftMenu.js
@@ -623,13 +623,15 @@ define([
         SetDisabled: function(disable, options) {
             if (this.leftMenu._state.disabled !== disable) {
                 this.leftMenu._state.disabled = disable;
-                if (disable) {
-                    this.previsEdit = this.mode.isEdit;
-                    this.prevcanEdit = this.mode.canEdit;
-                    this.mode.isEdit = this.mode.canEdit = !disable;
-                } else {
-                    this.mode.isEdit = this.previsEdit;
-                    this.mode.canEdit = this.prevcanEdit;
+                if (this.mode) {
+                    if (disable) {
+                        this.previsEdit = this.mode.isEdit;
+                        this.prevcanEdit = this.mode.canEdit;
+                        this.mode.isEdit = this.mode.canEdit = !disable;
+                    } else {
+                        this.mode.isEdit = this.previsEdit;
+                        this.mode.canEdit = this.prevcanEdit;
+                    }
                 }
             }
 
diff --git a/apps/pdfeditor/main/app/controller/Main.js b/apps/pdfeditor/main/app/controller/Main.js
index 7694d79d75..b2e2719b9a 100644
--- a/apps/pdfeditor/main/app/controller/Main.js
+++ b/apps/pdfeditor/main/app/controller/Main.js
@@ -861,11 +861,11 @@ define([
                 if ( id == Asc.c_oAscAsyncAction['Disconnect']) {
                     this._state.timerDisconnect && clearTimeout(this._state.timerDisconnect);
                     this.disableEditing(false, 'reconnect');
-                    this.getApplication().getController('Statusbar').hideDisconnectTip();
+                    Common.UI.TooltipManager.closeTip('disconnect');
                     this.getApplication().getController('Statusbar').setStatusCaption(this.textReconnect);
                 } else if (id === Asc.c_oAscAsyncAction['RefreshFile'])  {
                     this.disableEditing(false, 'refresh-file');
-                    this.getApplication().getController('Statusbar').hideDisconnectTip();
+                    Common.UI.TooltipManager.closeTip('refreshFile');
                     this.getApplication().getController('Statusbar').setStatusCaption('');
                 }
 
@@ -958,7 +958,7 @@ define([
                         var me = this;
                         statusCallback = function() {
                             me._state.timerDisconnect = setTimeout(function(){
-                                me.getApplication().getController('Statusbar').showDisconnectTip();
+                                Common.UI.TooltipManager.showTip('disconnect');
                             }, me._state.unloadTimer || 0);
                         };
                         break;
@@ -968,7 +968,7 @@ define([
                         text    = this.textUpdating;
                         Common.UI.Menu.Manager.hideAll();
                         this.disableEditing(true, 'refresh-file');
-                        this.getApplication().getController('Statusbar').showDisconnectTip(this.textUpdateVersion);
+                        Common.UI.TooltipManager.showTip('refreshFile');
                         break;
 
                     default:
@@ -1661,6 +1661,9 @@ define([
                 } else if (id == Asc.c_oAscError.ID.CanNotPasteImage) {
                     this.showTips([this.errorCannotPasteImg], {timeout: 7000, hideCloseTip: true});
                     return;
+                } else if (id === Asc.c_oAscError.ID.UpdateVersion) {
+                    Common.UI.TooltipManager.showTip('updateVersion');
+                    return;
                 }
 
                 this.hidePreloader();
@@ -1813,10 +1816,10 @@ define([
                         config.msg = this.errorFileSizeExceed;
                         break;
 
-                    case Asc.c_oAscError.ID.UpdateVersion:
-                        config.msg = this.errorUpdateVersionOnDisconnect;
-                        config.maxwidth = 600;
-                        break;
+                    // case Asc.c_oAscError.ID.UpdateVersion:
+                    //     config.msg = this.errorUpdateVersionOnDisconnect;
+                    //     config.maxwidth = 600;
+                    //     break;
 
                     case Asc.c_oAscError.ID.ComboSeriesError:
                         config.msg = this.errorComboSeries;
@@ -2189,20 +2192,22 @@ define([
             },
 
             onUpdateVersion: function(callback) {
+                console.log("Obsolete: The 'onOutdatedVersion' event is deprecated. Please use 'onRequestRefreshFile' event and 'refreshFile' method instead.");
+
                 var me = this;
                 me.needToUpdateVersion = true;
                 me.onLongActionEnd(Asc.c_oAscAsyncActionType['BlockInteraction'], LoadingDocument);
-                Common.UI.warning({
-                    title: me.titleUpdateVersion,
-                    msg: this.errorUpdateVersion,
+                Common.UI.TooltipManager.showTip({ step: 'updateVersionReload', text: this.errorUpdateVersion, header: this.titleUpdateVersion,
+                    target: '#toolbar', maxwidth: 'none', closable: false, automove: true, noHighlight: true,
                     callback: function() {
                         _.defer(function() {
                             Common.Gateway.updateVersion();
                             if (callback) callback.call(me);
                             me.onLongActionBegin(Asc.c_oAscAsyncActionType['BlockInteraction'], LoadingDocument);
                         })
-                    }
-                });
+                    }});
+                this.disableEditing(true, 'not-loaded');
+                Common.NotificationCenter.trigger('api:disconnect');
             },
 
             onServerVersion: function(buildVersion) {
diff --git a/apps/pdfeditor/main/app/controller/Toolbar.js b/apps/pdfeditor/main/app/controller/Toolbar.js
index 168150c315..0f834d4df9 100644
--- a/apps/pdfeditor/main/app/controller/Toolbar.js
+++ b/apps/pdfeditor/main/app/controller/Toolbar.js
@@ -171,11 +171,15 @@ define([
         },
 
         setMode: function(mode) {
+            var _main = this.getApplication().getController('Main');
             this.mode = mode;
             this.toolbar.applyLayout(mode);
             Common.UI.TooltipManager.addTips({
                 'editPdf' : {name: 'pdfe-help-tip-edit-pdf', placement: 'bottom-right', text: this.helpEditPdf, header: this.helpEditPdfHeader, target: '#slot-btn-tb-edit-mode'},
-                'textComment' : {name: 'pdfe-help-tip-text-comment', placement: 'bottom-right', text: this.helpTextComment, header: this.helpTextCommentHeader, target: '#slot-btn-text-comment'}
+                'textComment' : {name: 'pdfe-help-tip-text-comment', placement: 'bottom-right', text: this.helpTextComment, header: this.helpTextCommentHeader, target: '#slot-btn-text-comment'},
+                'refreshFile' : {text: _main.textUpdateVersion, header: _main.textUpdating, target: '#toolbar', maxwidth: 'none', showButton: false, automove: true, noHighlight: true, multiple: true},
+                'disconnect' : {text: _main.textConnectionLost, header: _main.textDisconnect, target: '#toolbar', maxwidth: 'none', showButton: false, automove: true, noHighlight: true, multiple: true},
+                'updateVersion' : {text: _main.errorUpdateVersionOnDisconnect, header: _main.titleUpdateVersion, target: '#toolbar', maxwidth: 600, showButton: false, automove: true, noHighlight: true, multiple: true}
             });
         },
 
diff --git a/apps/pdfeditor/main/app/view/LeftMenu.js b/apps/pdfeditor/main/app/view/LeftMenu.js
index 44d8a18a46..864d48c81b 100644
--- a/apps/pdfeditor/main/app/view/LeftMenu.js
+++ b/apps/pdfeditor/main/app/view/LeftMenu.js
@@ -299,7 +299,7 @@ define([
                 if (!this._state.pluginIsRunning)
                     this.$el.width(SCALE_MIN);
                 /** coauthoring begin **/
-                if (this.mode.canCoAuthoring) {
+                if (this.mode && this.mode.canCoAuthoring) {
                     if (this.mode.canViewComments) {
                         this.panelComments && this.panelComments['hide']();
                         if (this.btnComments.pressed)
diff --git a/apps/pdfeditor/main/app/view/Toolbar.js b/apps/pdfeditor/main/app/view/Toolbar.js
index 190003de12..e8c3a62b40 100644
--- a/apps/pdfeditor/main/app/view/Toolbar.js
+++ b/apps/pdfeditor/main/app/view/Toolbar.js
@@ -1218,7 +1218,7 @@ define([
                     tab = $(e.currentTarget).find('> a[data-tab]').data('tab'),
                     is_file_active = me.isTabActive('file');
 
-                if (tab === 'file' && !Common.Controllers.LaunchController.isScriptLoaded()) return;
+                if (!me._isDocReady || tab === 'file' && !Common.Controllers.LaunchController.isScriptLoaded()) return;
 
                 Common.UI.Mixtbar.prototype.onTabClick.apply(me, arguments);
 
@@ -1374,6 +1374,7 @@ define([
 
             onAppReady: function (config) {
                 var me = this;
+                me._isDocReady = true;
                 (new Promise( function(resolve, reject) {
                     resolve();
                 })).then(function () {
diff --git a/apps/pdfeditor/main/locale/en.json b/apps/pdfeditor/main/locale/en.json
index 248c0060c8..595ba8a2a5 100644
--- a/apps/pdfeditor/main/locale/en.json
+++ b/apps/pdfeditor/main/locale/en.json
@@ -1016,6 +1016,7 @@
   "PDFE.Controllers.Main.warnProcessRightsChange": "You have been denied the right to edit the file.",
   "PDFE.Controllers.Main.textUpdating": "Updating",
   "PDFE.Controllers.Main.textUpdateVersion": "The document cannot be edited right now.<br>Trying to update file, please wait...",
+  "PDFE.Controllers.Main.textConnectionLost": "Trying to connect. Please check connection settings.",
   "PDFE.Controllers.Navigation.txtBeginning": "Beginning of document",
   "PDFE.Controllers.Navigation.txtGotoBeginning": "Go to the beginning of the document",
   "PDFE.Controllers.Print.textMarginsLast": "Last custom",
diff --git a/apps/presentationeditor/main/app/controller/LeftMenu.js b/apps/presentationeditor/main/app/controller/LeftMenu.js
index d295692f4d..23926f41dc 100644
--- a/apps/presentationeditor/main/app/controller/LeftMenu.js
+++ b/apps/presentationeditor/main/app/controller/LeftMenu.js
@@ -817,13 +817,15 @@ define([
         SetDisabled: function(disable, options) {
             if (this.leftMenu._state.disabled !== disable) {
                 this.leftMenu._state.disabled = disable;
-                if (disable) {
-                    this.previsEdit = this.mode.isEdit;
-                    this.prevcanEdit = this.mode.canEdit;
-                    this.mode.isEdit = this.mode.canEdit = !disable;
-                } else {
-                    this.mode.isEdit = this.previsEdit;
-                    this.mode.canEdit = this.prevcanEdit;
+                if (this.mode) {
+                    if (disable) {
+                        this.previsEdit = this.mode.isEdit;
+                        this.prevcanEdit = this.mode.canEdit;
+                        this.mode.isEdit = this.mode.canEdit = !disable;
+                    } else {
+                        this.mode.isEdit = this.previsEdit;
+                        this.mode.canEdit = this.prevcanEdit;
+                    }
                 }
             }
 
diff --git a/apps/presentationeditor/main/app/controller/Main.js b/apps/presentationeditor/main/app/controller/Main.js
index b3ebc170c2..b892ebbcc3 100644
--- a/apps/presentationeditor/main/app/controller/Main.js
+++ b/apps/presentationeditor/main/app/controller/Main.js
@@ -742,11 +742,11 @@ define([
                 if ( id == Asc.c_oAscAsyncAction['Disconnect']) {
                     this._state.timerDisconnect && clearTimeout(this._state.timerDisconnect);
                     this.disableEditing(false, 'reconnect');
-                    this.getApplication().getController('Statusbar').hideDisconnectTip();
+                    Common.UI.TooltipManager.closeTip('disconnect');
                     this.getApplication().getController('Statusbar').setStatusCaption(this.textReconnect);
                 } else if (id === Asc.c_oAscAsyncAction['RefreshFile'])  {
                     this.disableEditing(false, 'refresh-file');
-                    this.getApplication().getController('Statusbar').hideDisconnectTip();
+                    Common.UI.TooltipManager.closeTip('refreshFile');
                     this.getApplication().getController('Statusbar').setStatusCaption('');
                 }
 
@@ -846,7 +846,7 @@ define([
                         var me = this;
                         statusCallback = function() {
                             me._state.timerDisconnect = setTimeout(function(){
-                                me.getApplication().getController('Statusbar').showDisconnectTip();
+                                Common.UI.TooltipManager.showTip('disconnect');
                             }, me._state.unloadTimer || 0);
                         };
                         break;
@@ -856,7 +856,7 @@ define([
                         text    = this.textUpdating;
                         Common.UI.Menu.Manager.hideAll();
                         this.disableEditing(true, 'refresh-file');
-                        this.getApplication().getController('Statusbar').showDisconnectTip(this.textUpdateVersion);
+                        Common.UI.TooltipManager.showTip('refreshFile');
                         break;
 
                     default:
@@ -1638,6 +1638,9 @@ define([
                 } else if (id === Asc.c_oAscError.ID.DocumentAndChangeMismatch) {
                     this.getApplication().getController('Common.Controllers.History').onHashError();
                     return;
+                } else if (id === Asc.c_oAscError.ID.UpdateVersion) {
+                    Common.UI.TooltipManager.showTip('updateVersion');
+                    return;
                 }
 
                 this.hidePreloader();
@@ -1782,10 +1785,10 @@ define([
                         config.msg = this.errorFileSizeExceed;
                         break;
 
-                    case Asc.c_oAscError.ID.UpdateVersion:
-                        config.msg = this.errorUpdateVersionOnDisconnect;
-                        config.maxwidth = 600;
-                        break;
+                    // case Asc.c_oAscError.ID.UpdateVersion:
+                    //     config.msg = this.errorUpdateVersionOnDisconnect;
+                    //     config.maxwidth = 600;
+                    //     break;
 
                     case Asc.c_oAscError.ID.ComboSeriesError:
                         config.msg = this.errorComboSeries;
@@ -2070,19 +2073,22 @@ define([
             },
 
             onUpdateVersion: function(callback) {
+                console.log("Obsolete: The 'onOutdatedVersion' event is deprecated. Please use 'onRequestRefreshFile' event and 'refreshFile' method instead.");
+
                 var me = this;
                 me.needToUpdateVersion = true;
                 me.onLongActionEnd(Asc.c_oAscAsyncActionType['BlockInteraction'], LoadingDocument);
-                Common.UI.warning({
-                    msg: this.errorUpdateVersion,
+                Common.UI.TooltipManager.showTip({ step: 'updateVersionReload', text: this.errorUpdateVersion, header: this.titleUpdateVersion,
+                    target: '#toolbar', maxwidth: 'none', closable: false, automove: true, noHighlight: true,
                     callback: function() {
                         _.defer(function() {
                             Common.Gateway.updateVersion();
                             if (callback) callback.call(me);
                             me.onLongActionBegin(Asc.c_oAscAsyncActionType['BlockInteraction'], LoadingDocument);
                         })
-                    }
-                });
+                    }});
+                this.disableEditing(true, 'not-loaded');
+                Common.NotificationCenter.trigger('api:disconnect');
             },
 
             onServerVersion: function(buildVersion) {
diff --git a/apps/presentationeditor/main/app/controller/Toolbar.js b/apps/presentationeditor/main/app/controller/Toolbar.js
index 1c933b3471..efe5920519 100644
--- a/apps/presentationeditor/main/app/controller/Toolbar.js
+++ b/apps/presentationeditor/main/app/controller/Toolbar.js
@@ -301,12 +301,16 @@ define([
         },
 
         setMode: function(mode) {
+            var _main = this.getApplication().getController('Main');
             this.mode = mode;
             this.toolbar.applyLayout(mode);
             Common.UI.TooltipManager.addTips({
                 'colorSchema' : {name: 'pe-help-tip-color-schema', placement: 'bottom-left', text: this.helpColorSchema, header: this.helpColorSchemaHeader, target: '#slot-btn-colorschemas', automove: true},
                 'animPane' : {name: 'pe-help-tip-anim-pane', placement: 'bottom-left', text: this.helpAnimPane, header: this.helpAnimPaneHeader, target: '#animation-button-pane', automove: true},
-                'masterSlide' : {name: 'pe-help-tip-master-slide', placement: 'bottom-right', text: this.helpMasterSlide, header: this.helpMasterSlideHeader, target: '#slot-btn-slide-master'}
+                'masterSlide' : {name: 'pe-help-tip-master-slide', placement: 'bottom-right', text: this.helpMasterSlide, header: this.helpMasterSlideHeader, target: '#slot-btn-slide-master'},
+                'refreshFile' : {text: _main.textUpdateVersion, header: _main.textUpdating, target: '#toolbar', maxwidth: 'none', showButton: false, automove: true, noHighlight: true, multiple: true},
+                'disconnect' : {text: _main.textConnectionLost, header: _main.textDisconnect, target: '#toolbar', maxwidth: 'none', showButton: false, automove: true, noHighlight: true, multiple: true},
+                'updateVersion' : {text: _main.errorUpdateVersionOnDisconnect, header: _main.titleUpdateVersion, target: '#toolbar', maxwidth: 600, showButton: false, automove: true, noHighlight: true, multiple: true}
             });
         },
 
diff --git a/apps/presentationeditor/main/app/view/LeftMenu.js b/apps/presentationeditor/main/app/view/LeftMenu.js
index 4d9c9e07ef..5f6d8bf91b 100644
--- a/apps/presentationeditor/main/app/view/LeftMenu.js
+++ b/apps/presentationeditor/main/app/view/LeftMenu.js
@@ -278,11 +278,11 @@ define([
 
         close: function(menu) {
             this.btnAbout.toggle(false);
-            this.btnThumbs.toggle(false);
+            this.btnThumbs.toggle(false, !this.mode);
             if (!this._state.pluginIsRunning)
                 this.$el.width(SCALE_MIN);
             /** coauthoring begin **/
-            if (this.mode.canCoAuthoring) {
+            if (this.mode && this.mode.canCoAuthoring) {
                 if (this.mode.canViewComments) {
                     this.panelComments && this.panelComments['hide']();
                     if (this.btnComments.pressed)
diff --git a/apps/presentationeditor/main/app/view/Toolbar.js b/apps/presentationeditor/main/app/view/Toolbar.js
index b20f06eb34..4586169f4a 100644
--- a/apps/presentationeditor/main/app/view/Toolbar.js
+++ b/apps/presentationeditor/main/app/view/Toolbar.js
@@ -1295,7 +1295,7 @@ define([
                     tab = $(e.currentTarget).find('> a[data-tab]').data('tab'),
                     is_file_active = me.isTabActive('file');
 
-                if (tab === 'file' && !Common.Controllers.LaunchController.isScriptLoaded()) return;
+                if (!me._isDocReady || tab === 'file' && !Common.Controllers.LaunchController.isScriptLoaded()) return;
 
                 Common.UI.Mixtbar.prototype.onTabClick.apply(me, arguments);
 
@@ -1400,6 +1400,7 @@ define([
 
             onAppReady: function (config) {
                 var me = this;
+                me._isDocReady = true;
                 if (!config.isEdit) return;
 
                 if(me.btnPrint.menu) {
diff --git a/apps/presentationeditor/main/locale/en.json b/apps/presentationeditor/main/locale/en.json
index aca98ff218..1e50edb180 100644
--- a/apps/presentationeditor/main/locale/en.json
+++ b/apps/presentationeditor/main/locale/en.json
@@ -1342,6 +1342,8 @@
   "PE.Controllers.Main.warnProcessRightsChange": "You have been denied the right to edit the file.",
   "PE.Controllers.Main.textUpdating": "Updating",
   "PE.Controllers.Main.textUpdateVersion": "The document cannot be edited right now.<br>Trying to update file, please wait...",
+  "PE.Controllers.Main.textConnectionLost": "Trying to connect. Please check connection settings.",
+  "PE.Controllers.Main.titleUpdateVersion": "Version changed",
   "PE.Controllers.Print.txtPrintRangeInvalid": "Invalid print range",
   "PE.Controllers.Print.txtPrintRangeSingleRange": "Enter either a single slide number or a single slide range (for example, 5-12). Or you can Print to PDF.",
   "PE.Controllers.Search.notcriticalErrorTitle": "Warning",
diff --git a/apps/spreadsheeteditor/main/app/controller/LeftMenu.js b/apps/spreadsheeteditor/main/app/controller/LeftMenu.js
index 9ea135e09f..b9746280bc 100644
--- a/apps/spreadsheeteditor/main/app/controller/LeftMenu.js
+++ b/apps/spreadsheeteditor/main/app/controller/LeftMenu.js
@@ -203,13 +203,15 @@ define([
         SetDisabled: function(disable, options) {
             if (this.leftMenu._state.disabled !== disable) {
                 this.leftMenu._state.disabled = disable;
-                if (disable) {
-                    this.previsEdit = this.mode.isEdit;
-                    this.prevcanEdit = this.mode.canEdit;
-                    this.mode.isEdit = this.mode.canEdit = !disable;
-                } else {
-                    this.mode.isEdit = this.previsEdit;
-                    this.mode.canEdit = this.prevcanEdit;
+                if (this.mode) {
+                    if (disable) {
+                        this.previsEdit = this.mode.isEdit;
+                        this.prevcanEdit = this.mode.canEdit;
+                        this.mode.isEdit = this.mode.canEdit = !disable;
+                    } else {
+                        this.mode.isEdit = this.previsEdit;
+                        this.mode.canEdit = this.prevcanEdit;
+                    }
                 }
             }
 
diff --git a/apps/spreadsheeteditor/main/app/controller/Main.js b/apps/spreadsheeteditor/main/app/controller/Main.js
index d3b522c142..0a475fd609 100644
--- a/apps/spreadsheeteditor/main/app/controller/Main.js
+++ b/apps/spreadsheeteditor/main/app/controller/Main.js
@@ -839,11 +839,11 @@ define([
                 if ( id == Asc.c_oAscAsyncAction['Disconnect']) {
                     this._state.timerDisconnect && clearTimeout(this._state.timerDisconnect);
                     this.disableEditing(false, 'reconnect');
-                    this.getApplication().getController('Statusbar').hideDisconnectTip();
+                    Common.UI.TooltipManager.closeTip('disconnect');
                     this.getApplication().getController('Statusbar').setStatusCaption(this.textReconnect);
                 } else if (id === Asc.c_oAscAsyncAction['RefreshFile'])  {
                     this.disableEditing(false, 'refresh-file');
-                    this.getApplication().getController('Statusbar').hideDisconnectTip();
+                    Common.UI.TooltipManager.closeTip('refreshFile');
                     this.getApplication().getController('Statusbar').setStatusCaption('');
                 }
             },
@@ -930,7 +930,7 @@ define([
                         var me = this;
                         statusCallback = function() {
                             me._state.timerDisconnect = setTimeout(function(){
-                                me.getApplication().getController('Statusbar').showDisconnectTip();
+                                Common.UI.TooltipManager.showTip('disconnect');
                             }, me._state.unloadTimer || 0);
                         };
                         break;
@@ -940,7 +940,7 @@ define([
                         text    = this.textUpdating;
                         Common.UI.Menu.Manager.hideAll();
                         this.disableEditing(true, 'refresh-file');
-                        this.getApplication().getController('Statusbar').showDisconnectTip(this.textUpdateVersion);
+                        Common.UI.TooltipManager.showTip('refreshFile');
                         break;
 
                     default:
@@ -1773,6 +1773,9 @@ define([
                 } else if (id === Asc.c_oAscError.ID.DocumentAndChangeMismatch) {
                     this.getApplication().getController('Common.Controllers.History').onHashError();
                     return;
+                } else if (id === Asc.c_oAscError.ID.UpdateVersion) {
+                    Common.UI.TooltipManager.showTip('updateVersion');
+                    return;
                 }
 
                 this.hidePreloader();
@@ -2081,10 +2084,10 @@ define([
                         config.msg = this.errorFileSizeExceed;
                         break;
 
-                    case Asc.c_oAscError.ID.UpdateVersion:
-                        config.msg = this.errorUpdateVersionOnDisconnect;
-                        config.maxwidth = 600;
-                        break;
+                    // case Asc.c_oAscError.ID.UpdateVersion:
+                    //     config.msg = this.errorUpdateVersionOnDisconnect;
+                    //     config.maxwidth = 600;
+                    //     break;
 
                     case Asc.c_oAscError.ID.FTChangeTableRangeError:
                         config.msg = this.errorFTChangeTableRangeError;
@@ -2491,19 +2494,22 @@ define([
             },
 
             onUpdateVersion: function(callback) {
+                console.log("Obsolete: The 'onOutdatedVersion' event is deprecated. Please use 'onRequestRefreshFile' event and 'refreshFile' method instead.");
+
                 var me = this;
                 me.needToUpdateVersion = true;
                 me.onLongActionEnd(Asc.c_oAscAsyncActionType['BlockInteraction'], LoadingDocument);
-                Common.UI.warning({
-                    msg: this.errorUpdateVersion,
+                Common.UI.TooltipManager.showTip({ step: 'updateVersionReload', text: this.errorUpdateVersion, header: this.titleUpdateVersion,
+                    target: '#toolbar', maxwidth: 'none', closable: false, automove: true, noHighlight: true,
                     callback: function() {
                         _.defer(function() {
                             Common.Gateway.updateVersion();
                             if (callback) callback.call(me);
                             me.onLongActionBegin(Asc.c_oAscAsyncActionType['BlockInteraction'], LoadingDocument);
                         })
-                    }
-                });
+                    }});
+                this.disableEditing(true, 'not-loaded');
+                Common.NotificationCenter.trigger('api:disconnect');
             },
 
             onServerVersion: function(buildVersion) {
diff --git a/apps/spreadsheeteditor/main/app/controller/Toolbar.js b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
index db4d4a6431..3e7f1d232f 100644
--- a/apps/spreadsheeteditor/main/app/controller/Toolbar.js
+++ b/apps/spreadsheeteditor/main/app/controller/Toolbar.js
@@ -267,10 +267,14 @@ define([
         },
 
         setMode: function(mode) {
+            var _main = this.getApplication().getController('Main');
             this.mode = mode;
             this.toolbar.applyLayout(mode);
             Common.UI.TooltipManager.addTips({
-                'protectRange' : {name: 'sse-help-tip-protect-range', placement: 'bottom-left', text: this.helpProtectRange, header: this.helpProtectRangeHeader, target: '#slot-btn-protect-range', automove: true}
+                'protectRange' : {name: 'sse-help-tip-protect-range', placement: 'bottom-left', text: this.helpProtectRange, header: this.helpProtectRangeHeader, target: '#slot-btn-protect-range', automove: true},
+                'refreshFile' : {text: _main.textUpdateVersion, header: _main.textUpdating, target: '#toolbar', maxwidth: 'none', showButton: false, automove: true, noHighlight: true, multiple: true},
+                'disconnect' : {text: _main.textConnectionLost, header: _main.textDisconnect, target: '#toolbar', maxwidth: 'none', showButton: false, automove: true, noHighlight: true, multiple: true},
+                'updateVersion' : {text: _main.errorUpdateVersionOnDisconnect, header: _main.titleUpdateVersion, target: '#toolbar', maxwidth: 600, showButton: false, automove: true, noHighlight: true, multiple: true}
             });
         },
 
diff --git a/apps/spreadsheeteditor/main/app/view/LeftMenu.js b/apps/spreadsheeteditor/main/app/view/LeftMenu.js
index 70db0cc771..91697d6b75 100644
--- a/apps/spreadsheeteditor/main/app/view/LeftMenu.js
+++ b/apps/spreadsheeteditor/main/app/view/LeftMenu.js
@@ -261,7 +261,7 @@ define([
             if (!this._state.pluginIsRunning)
                 this.$el.width(SCALE_MIN);
             /** coauthoring begin **/
-            if (this.mode.canCoAuthoring) {
+            if (this.mode && this.mode.canCoAuthoring) {
                 if (this.mode.canViewComments) {
                     this.panelComments && this.panelComments['hide']();
                     if (this.btnComments.pressed)
diff --git a/apps/spreadsheeteditor/main/app/view/Toolbar.js b/apps/spreadsheeteditor/main/app/view/Toolbar.js
index f35e64157e..69c4d8dab6 100644
--- a/apps/spreadsheeteditor/main/app/view/Toolbar.js
+++ b/apps/spreadsheeteditor/main/app/view/Toolbar.js
@@ -2331,7 +2331,7 @@ define([
                 tab = $(e.currentTarget).find('> a[data-tab]').data('tab'),
                 is_file_active = me.isTabActive('file');
 
-            if (tab === 'file' && !Common.Controllers.LaunchController.isScriptLoaded()) return;
+            if (!me._isDocReady || tab === 'file' && !Common.Controllers.LaunchController.isScriptLoaded()) return;
 
             Common.UI.Mixtbar.prototype.onTabClick.apply(me, arguments);
 
@@ -3285,7 +3285,7 @@ define([
             if (!this.mode.isEdit || this.mode.isEditMailMerge || this.mode.isEditDiagram || this.mode.isEditOle) return;
 
             var me = this;
-
+            me._isDocReady = true;
             if(me.btnPrint.menu) {
                 me.btnPrint.setMenu(
                     new Common.UI.Menu({
diff --git a/apps/spreadsheeteditor/main/locale/en.json b/apps/spreadsheeteditor/main/locale/en.json
index cfd29d4117..432cf145f3 100644
--- a/apps/spreadsheeteditor/main/locale/en.json
+++ b/apps/spreadsheeteditor/main/locale/en.json
@@ -1470,6 +1470,8 @@
   "SSE.Controllers.Main.warnProcessRightsChange": "You have been denied the right to edit the file.",
   "SSE.Controllers.Main.textUpdating": "Updating",
   "SSE.Controllers.Main.textUpdateVersion": "The document cannot be edited right now.<br>Trying to update file, please wait...",
+  "SSE.Controllers.Main.textConnectionLost": "Trying to connect. Please check connection settings.",
+  "SSE.Controllers.Main.titleUpdateVersion": "Version changed",
   "SSE.Controllers.PivotTable.strSheet": "Sheet",
   "SSE.Controllers.Print.strAllSheets": "All Sheets",
   "SSE.Controllers.Print.textFirstCol": "First column",