diff --git a/src/main.cpp b/src/main.cpp
index 1dea452..bf47903 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -39,6 +39,8 @@ int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
 
+    QCoreApplication::setApplicationName("Nero-UMU");
+
     QTranslator translator;
     const QStringList uiLanguages = QLocale::system().uiLanguages();
     for (const QString &locale : uiLanguages) {
diff --git a/src/neromanager.cpp b/src/neromanager.cpp
index fd99dda..327bc80 100644
--- a/src/neromanager.cpp
+++ b/src/neromanager.cpp
@@ -38,8 +38,6 @@ NeroManagerWindow::NeroManagerWindow(QWidget *parent)
     : QMainWindow(parent)
     , ui(new Ui::NeroManagerWindow)
 {
-    QCoreApplication::setApplicationName("Nero-UMU");
-
     /* OLD ICON CODE
     // rand + undefined int, bit shifted to only give the three least significant bytes (0-7)
     // THIS can be set before window setup...
@@ -55,8 +53,6 @@ NeroManagerWindow::NeroManagerWindow(QWidget *parent)
     }
     */
 
-    this->setWindowIcon(QIcon(":/ico/systrayPhi"));
-
     #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     // required for good hidpi icon quality because Qt < 6 didn't set this automatically.
     QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
@@ -634,6 +630,9 @@ void NeroManagerWindow::prefixShortcutPlayButtons_clicked()
 
         umuController.at(prefixShortcutPlayButton.at(slot)->property("thread").toInt())->Stop();
     } else {
+        ui->prefixSettingsBtn->setEnabled(false);
+        ui->prefixTricksBtn->setEnabled(false);
+
         prefixShortcutPlayButton.at(slot)->setIcon(QIcon::fromTheme("media-playback-stop"));
         prefixShortcutPlayButton.at(slot)->setToolTip("Stop " + prefixShortcutLabel.at(slot)->text());
         ui->backButton->setIcon(QIcon::fromTheme("media-playback-stop"));
@@ -677,6 +676,9 @@ void NeroManagerWindow::prefixShortcutEditButtons_clicked()
     prefixSettings = new NeroPrefixSettingsWindow(this, settings.value(prefixShortcutLabel.at(slot)->text()));
     prefixSettings->setProperty("slot", slot);
     connect(prefixSettings, &NeroPrefixSettingsWindow::finished, this, &NeroManagerWindow::prefixSettings_result);
+    if(currentlyRunning.count())
+        if(prefixSettings->deleteShortcut != nullptr)
+            prefixSettings->deleteShortcut->setEnabled(false);
     prefixSettings->show();
 }
 
@@ -690,6 +692,9 @@ void NeroManagerWindow::on_oneTimeRunBtn_clicked()
                                                       QFileDialog::DontResolveSymlinks));
 
     if(!oneTimeApp.isEmpty()) {
+        ui->prefixSettingsBtn->setEnabled(false);
+        ui->prefixTricksBtn->setEnabled(false);
+
         ui->backButton->setIcon(QIcon::fromTheme("media-playback-stop"));
         ui->backButton->setToolTip("Shut down all running programs in this prefix.");
         sysTray->setIcon(QIcon(":/ico/systrayPhiPlaying"));
@@ -724,6 +729,8 @@ void NeroManagerWindow::on_oneTimeRunBtn_clicked()
         }
 
         umuController.last()->setProperty("slot", threadsCount-1);
+        umuController.last()->setProperty("running", oneTimeApp.mid(oneTimeApp.lastIndexOf('/')+1));
+        oneOffsRunning.append(oneTimeApp.mid(oneTimeApp.lastIndexOf('/')+1));
         connect(umuController.last(),                       &NeroThreadController::passUmuResults,  this, &NeroManagerWindow::handleUmuResults);
         connect(&umuController.last()->umuWorker->Runner,   &NeroRunner::StatusUpdate,              this, &NeroManagerWindow::handleUmuSignal);
         emit umuController.last()->operate();
@@ -846,6 +853,7 @@ void NeroManagerWindow::prefixSettings_result()
         }
     }
     delete prefixSettings;
+    prefixSettings = nullptr;
 }
 
 void NeroManagerWindow::on_managerSettings_clicked()
@@ -876,16 +884,16 @@ void NeroManagerWindow::actionExit_activated()
     close();
 }
 
-void NeroManagerWindow::on_actionAbout_Nero_triggered()
+void NeroManagerWindow::on_aboutBtn_clicked()
 {
     // TODO: better about screen pls
     QString vInfo;
-    #ifdef NERO_VERSION
+#ifdef NERO_VERSION
     vInfo.append(" v" + QString(NERO_VERSION));
-    #endif // NERO_VERSION
-    #ifdef NERO_GITHASH
+#endif // NERO_VERSION
+#ifdef NERO_GITHASH
     vInfo.append("-" + QString(NERO_GITHASH));
-    #endif // NERO_GITHASH
+#endif // NERO_GITHASH
     vInfo.append("\nRunning on Qt " +
                  QString::number(QT_VERSION_MAJOR) + '.' +
                  QString::number(QT_VERSION_MINOR) + '.' +
@@ -893,10 +901,9 @@ void NeroManagerWindow::on_actionAbout_Nero_triggered()
     QMessageBox::about(this,
                        "About Nero Manager",
                        "Nero Manager" + vInfo +
-                       "\n\nA simple Proton manager.");
+                           "\n\nA simple Proton manager.");
 }
 
-
 void NeroManagerWindow::blinkTimer_timeout()
 {
     switch(blinkingState) {
@@ -955,7 +962,7 @@ void NeroManagerWindow::handleUmuResults(const int &buttonSlot, const int &resul
 
         if(managerCfg->value("ShortcutHidesManager").toBool())
             if(this->isHidden()) this->show();
-    }
+    } else oneOffsRunning.removeOne(sender()->property("running").toString());
 
     delete umuController[threadSlot];
     umuController[threadSlot] = nullptr;
@@ -969,9 +976,13 @@ void NeroManagerWindow::handleUmuResults(const int &buttonSlot, const int &resul
         ui->backButton->setToolTip("Go back to prefixes list.");
         sysTray->setIcon(QIcon(":/ico/systrayPhi"));
         sysTray->setToolTip("Nero Manager");
-    } else {
-        sysTray->setToolTip("Nero Manager (" + NeroFS::GetCurrentPrefix() + " is running " + QString::number(currentlyRunning.count()) + " apps)");
-    }
+        ui->prefixSettingsBtn->setEnabled(true);
+        ui->prefixTricksBtn->setEnabled(true);
+    } else if(currentlyRunning.count() == 1) {
+        if(currentlyRunning.first() != -1)
+            sysTray->setToolTip("Nero Manager (" + NeroFS::GetCurrentPrefix() + " is running " + prefixShortcutLabel.at(currentlyRunning.first())->text() + ')');
+        else sysTray->setToolTip("Nero Manager (" + NeroFS::GetCurrentPrefix() + " is running " + oneOffsRunning.first() + ')');
+    } else sysTray->setToolTip("Nero Manager (" + NeroFS::GetCurrentPrefix() + " is running " + QString::number(currentlyRunning.count()) + " apps)");
 }
 
 void NeroManagerWindow::handleUmuSignal(const int &signalType)
diff --git a/src/neromanager.h b/src/neromanager.h
index ceba133..3351d36 100644
--- a/src/neromanager.h
+++ b/src/neromanager.h
@@ -125,12 +125,12 @@ private slots:
 
     void on_prefixSettingsBtn_clicked();
 
-    void on_actionAbout_Nero_triggered();
-
     void on_oneTimeRunBtn_clicked();
 
     void on_managerSettings_clicked();
 
+    void on_aboutBtn_clicked();
+
 private:
     Ui::NeroManagerWindow *ui;
     NeroManagerPreferences *prefs = nullptr;
@@ -165,6 +165,7 @@ private slots:
     QList<NeroThreadController*> umuController;
     QList<int> currentlyRunning;
     int threadsCount = 0;
+    QStringList oneOffsRunning;
 
     // Prefixes list assets
     QList<QPushButton*> prefixMainButton;
diff --git a/src/neromanager.ui b/src/neromanager.ui
index 00e8c43..a8f6cad 100644
--- a/src/neromanager.ui
+++ b/src/neromanager.ui
@@ -13,6 +13,10 @@
   <property name="windowTitle">
    <string>NeroManagerWindow</string>
   </property>
+  <property name="windowIcon">
+   <iconset resource="../img/pics.qrc">
+    <normaloff>:/ico/systrayPhi</normaloff>:/ico/systrayPhi</iconset>
+  </property>
   <widget class="QWidget" name="centralwidget">
    <layout class="QVBoxLayout" name="verticalLayout" stretch="0,0,0,0">
     <item>
@@ -65,7 +69,7 @@
            <string>Top Text</string>
           </property>
           <property name="alignment">
-           <set>Qt::AlignCenter</set>
+           <set>Qt::AlignmentFlag::AlignCenter</set>
           </property>
          </widget>
         </item>
@@ -92,7 +96,7 @@
            <string>Subtitle</string>
           </property>
           <property name="alignment">
-           <set>Qt::AlignCenter</set>
+           <set>Qt::AlignmentFlag::AlignCenter</set>
           </property>
          </widget>
         </item>
@@ -128,7 +132,7 @@
         <item>
          <spacer name="horizontalSpacer">
           <property name="orientation">
-           <enum>Qt::Horizontal</enum>
+           <enum>Qt::Orientation::Horizontal</enum>
           </property>
           <property name="sizeHint" stdset="0">
            <size>
@@ -176,7 +180,7 @@
         <item>
          <spacer name="horizontalSpacer_2">
           <property name="orientation">
-           <enum>Qt::Horizontal</enum>
+           <enum>Qt::Orientation::Horizontal</enum>
           </property>
           <property name="sizeHint" stdset="0">
            <size>
@@ -193,7 +197,7 @@
     <item>
      <widget class="Line" name="line">
       <property name="frameShadow">
-       <enum>QFrame::Raised</enum>
+       <enum>QFrame::Shadow::Raised</enum>
       </property>
       <property name="lineWidth">
        <number>2</number>
@@ -202,7 +206,7 @@
        <number>1</number>
       </property>
       <property name="orientation">
-       <enum>Qt::Horizontal</enum>
+       <enum>Qt::Orientation::Horizontal</enum>
       </property>
      </widget>
     </item>
@@ -215,27 +219,27 @@
        </sizepolicy>
       </property>
       <property name="frameShape">
-       <enum>QFrame::NoFrame</enum>
+       <enum>QFrame::Shape::NoFrame</enum>
       </property>
       <property name="frameShadow">
-       <enum>QFrame::Plain</enum>
+       <enum>QFrame::Shadow::Plain</enum>
       </property>
       <property name="horizontalScrollBarPolicy">
-       <enum>Qt::ScrollBarAlwaysOff</enum>
+       <enum>Qt::ScrollBarPolicy::ScrollBarAlwaysOff</enum>
       </property>
       <property name="widgetResizable">
        <bool>true</bool>
       </property>
       <property name="alignment">
-       <set>Qt::AlignHCenter|Qt::AlignTop</set>
+       <set>Qt::AlignmentFlag::AlignHCenter|Qt::AlignmentFlag::AlignTop</set>
       </property>
       <widget class="QWidget" name="prefixesScrollContents">
        <property name="geometry">
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>563</width>
-         <height>183</height>
+         <width>557</width>
+         <height>179</height>
         </rect>
        </property>
        <property name="sizePolicy">
@@ -251,7 +255,7 @@
         <item>
          <spacer name="verticalSpacer_2">
           <property name="orientation">
-           <enum>Qt::Vertical</enum>
+           <enum>Qt::Orientation::Vertical</enum>
           </property>
           <property name="sizeHint" stdset="0">
            <size>
@@ -273,14 +277,14 @@
            <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-size:12pt; font-weight:700;&quot;&gt;There are no Proton prefixes available!&lt;/span&gt;&lt;/p&gt;&lt;p&gt;Press the + button above to create one.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
           </property>
           <property name="alignment">
-           <set>Qt::AlignCenter</set>
+           <set>Qt::AlignmentFlag::AlignCenter</set>
           </property>
          </widget>
         </item>
         <item>
          <spacer name="verticalSpacer_3">
           <property name="orientation">
-           <enum>Qt::Vertical</enum>
+           <enum>Qt::Orientation::Vertical</enum>
           </property>
           <property name="sizeHint" stdset="0">
            <size>
@@ -290,24 +294,69 @@
           </property>
          </spacer>
         </item>
-        <item alignment="Qt::AlignRight">
-         <widget class="QPushButton" name="managerSettings">
-          <property name="text">
-           <string/>
-          </property>
-          <property name="icon">
-           <iconset theme="preferences-system"/>
-          </property>
-          <property name="iconSize">
-           <size>
-            <width>32</width>
-            <height>32</height>
-           </size>
-          </property>
-          <property name="flat">
-           <bool>true</bool>
+        <item>
+         <layout class="QHBoxLayout" name="appSettingsRow" stretch="0,1,0">
+          <property name="spacing">
+           <number>0</number>
           </property>
-         </widget>
+          <item>
+           <widget class="QPushButton" name="aboutBtn">
+            <property name="toolTip">
+             <string>About Nero...</string>
+            </property>
+            <property name="text">
+             <string/>
+            </property>
+            <property name="icon">
+             <iconset theme="dialog-information"/>
+            </property>
+            <property name="iconSize">
+             <size>
+              <width>32</width>
+              <height>32</height>
+             </size>
+            </property>
+            <property name="flat">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <spacer name="horizontalSpacer_3">
+            <property name="orientation">
+             <enum>Qt::Orientation::Horizontal</enum>
+            </property>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>0</width>
+              <height>20</height>
+             </size>
+            </property>
+           </spacer>
+          </item>
+          <item>
+           <widget class="QPushButton" name="managerSettings">
+            <property name="toolTip">
+             <string>Set Nero Manager settings</string>
+            </property>
+            <property name="text">
+             <string/>
+            </property>
+            <property name="icon">
+             <iconset theme="preferences-system"/>
+            </property>
+            <property name="iconSize">
+             <size>
+              <width>32</width>
+              <height>32</height>
+             </size>
+            </property>
+            <property name="flat">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+         </layout>
         </item>
        </layout>
       </widget>
@@ -316,27 +365,27 @@
     <item>
      <widget class="QScrollArea" name="prefixContentsScrollArea">
       <property name="frameShape">
-       <enum>QFrame::NoFrame</enum>
+       <enum>QFrame::Shape::NoFrame</enum>
       </property>
       <property name="frameShadow">
-       <enum>QFrame::Plain</enum>
+       <enum>QFrame::Shadow::Plain</enum>
       </property>
       <property name="horizontalScrollBarPolicy">
-       <enum>Qt::ScrollBarAlwaysOff</enum>
+       <enum>Qt::ScrollBarPolicy::ScrollBarAlwaysOff</enum>
       </property>
       <property name="widgetResizable">
        <bool>true</bool>
       </property>
       <property name="alignment">
-       <set>Qt::AlignHCenter|Qt::AlignTop</set>
+       <set>Qt::AlignmentFlag::AlignHCenter|Qt::AlignmentFlag::AlignTop</set>
       </property>
       <widget class="QWidget" name="prefixContentsScrollContents">
        <property name="geometry">
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>563</width>
-         <height>182</height>
+         <width>557</width>
+         <height>178</height>
         </rect>
        </property>
        <layout class="QVBoxLayout" name="verticalLayout_3">
@@ -345,14 +394,14 @@
           <item>
            <layout class="QGridLayout" name="prefixContentsGrid">
             <property name="sizeConstraint">
-             <enum>QLayout::SetNoConstraint</enum>
+             <enum>QLayout::SizeConstraint::SetNoConstraint</enum>
             </property>
            </layout>
           </item>
           <item>
            <spacer name="verticalSpacer">
             <property name="orientation">
-             <enum>Qt::Vertical</enum>
+             <enum>Qt::Orientation::Vertical</enum>
             </property>
             <property name="sizeHint" stdset="0">
              <size>
@@ -365,7 +414,7 @@
           <item>
            <widget class="Line" name="separator">
             <property name="orientation">
-             <enum>Qt::Horizontal</enum>
+             <enum>Qt::Orientation::Horizontal</enum>
             </property>
            </widget>
           </item>
@@ -381,14 +430,14 @@
              <string>Prefix Management:</string>
             </property>
             <property name="alignment">
-             <set>Qt::AlignCenter</set>
+             <set>Qt::AlignmentFlag::AlignCenter</set>
             </property>
            </widget>
           </item>
           <item>
            <layout class="QHBoxLayout" name="prefixManagementRow">
             <property name="sizeConstraint">
-             <enum>QLayout::SetFixedSize</enum>
+             <enum>QLayout::SizeConstraint::SetFixedSize</enum>
             </property>
             <item>
              <widget class="QPushButton" name="prefixSettingsBtn">
@@ -442,29 +491,9 @@
     </item>
    </layout>
   </widget>
-  <widget class="QMenuBar" name="menubar">
-   <property name="geometry">
-    <rect>
-     <x>0</x>
-     <y>0</y>
-     <width>575</width>
-     <height>19</height>
-    </rect>
-   </property>
-   <widget class="QMenu" name="menuAbout">
-    <property name="title">
-     <string>About</string>
-    </property>
-    <addaction name="actionAbout_Nero"/>
-   </widget>
-   <addaction name="menuAbout"/>
-  </widget>
-  <action name="actionAbout_Nero">
-   <property name="text">
-    <string>&amp;About Nero...</string>
-   </property>
-  </action>
  </widget>
- <resources/>
+ <resources>
+  <include location="../img/pics.qrc"/>
+ </resources>
  <connections/>
 </ui>
diff --git a/src/neroprefixsettings.h b/src/neroprefixsettings.h
index 41c48c5..eb9c5d5 100644
--- a/src/neroprefixsettings.h
+++ b/src/neroprefixsettings.h
@@ -49,6 +49,8 @@ class NeroPrefixSettingsWindow : public QDialog
     QString newAppIcon;
     QString appName;
 
+    QPushButton *deleteShortcut = nullptr;
+
 private slots:
     void on_shortcutIco_clicked();
 
@@ -122,8 +124,6 @@ private slots:
 
     QFont boldFont;
 
-    QPushButton *deleteShortcut;
-
     bool umuRunning = false;
 
     const QStringList dllOverrideNames = {
diff --git a/src/nerorunner.cpp b/src/nerorunner.cpp
index f7d500a..4fbe7f3 100644
--- a/src/nerorunner.cpp
+++ b/src/nerorunner.cpp
@@ -34,7 +34,7 @@ int NeroRunner::StartShortcut(const QString &hash, const bool &prefixAlreadyRunn
         QProcess runner;
 
         if(!settings->value("Shortcuts--"+hash+"/PreRunScript").toString().isEmpty()) {
-            runner.start(settings->value("Shortcuts--"+hash+"/PreRunScript").toString(), {""});
+            runner.start(settings->value("Shortcuts--"+hash+"/PreRunScript").toString(), {});
 
             while(runner.state() != QProcess::NotRunning) {
                 runner.waitForReadyRead(-1);
@@ -380,8 +380,11 @@ int NeroRunner::StartShortcut(const QString &hash, const bool &prefixAlreadyRunn
 
         WaitLoop(runner, log);
 
+        // in case settings changed from manager
+        settings = NeroFS::GetCurrentPrefixCfg();
+
         if(!settings->value("Shortcuts--"+hash+"/PostRunScript").toString().isEmpty()) {
-            runner.start(settings->value("Shortcuts--"+hash+"/PostRunScript").toString(), {""});
+            runner.start(settings->value("Shortcuts--"+hash+"/PostRunScript").toString(), {});
 
             while(runner.state() != QProcess::NotRunning) {
                 runner.waitForReadyRead(-1);