Constantly Crashing

[logger24]

I'd give more details, but the log file is terrible and gives zero details.
The application will randomly not respond; I alt+tab out and hover over the system tray icon and it disappears, meaning it failed to properly close cleanly.
It happens multiple times an hour and I have to keep opening it, over and over.

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Faulting application name: Sidekick.exe, version: 2025.12.1759.0, time stamp: 0x67110000
Faulting module name: ntdll.dll, version: 10.0.19041.5007, time stamp: 0x688f8c4b
Exception code: 0xc0000374
Fault offset: 0x00000000000ff3c9
Faulting process id: 0x4418
Faulting application start time: 0x01db676f2a7ffb23
Faulting application path: %LOCALAPPDATA%\Sidekick\current\Sidekick.exe
Faulting module path: C:\Windows\SYSTEM32\ntdll.dll
Report Id: 367c6a4c-b7af-4add-b50c-16102b5e74be
Faulting package full name: 
Faulting package-relative application ID: 

Faulting application name: Sidekick.exe, version: 2025.12.1759.0, time stamp: 0x67110000
Faulting module name: ntdll.dll, version: 10.0.19041.5007, time stamp: 0x688f8c4b
Exception code: 0xc0000374
Fault offset: 0x00000000000ff3c9
Faulting process id: 0x35a4
Faulting application start time: 0x01db67bd9d28650b
Faulting application path: %LOCALAPPDATA%\Sidekick\current\Sidekick.exe
Faulting module path: C:\Windows\SYSTEM32\ntdll.dll
Report Id: 8d76e474-c3c1-49dc-9e5b-4ef03e5e9728
Faulting package full name: 
Faulting package-relative application ID: 

---

This indicates a heap corruption, and your application is not handling something in memory properly.

[domialex]

There is only 1 known crash right now and it's #431.
Otherwise it would be your anti-virus closing the app, or windows security is suspending the app (Sidekick.exe -> properties -> look for something with either "suspended" or "came from a third party click to allow".
The Sidekick log files are in %appdata%/sidekick, paste them if you have them.

[logger24]

I don't have an anti-virus, so no. I suggest otherwise.

Exception code: 0xc0000374
Fault offset: 0x00000000000ff3c9

---

This log file contains nothing of value, and I've found it after digging previously and looked, but sure. I'd append it.

Sidekick_log20250115.log

Albeit, I feel like minidumps would be of more value:

Sidekick.exe.16416.dmp
Sidekick.exe.16832.dmp
Sidekick.exe.17432.dmp

---

    Key  : Failure.Bucket
    Value: HEAP_CORRUPTION_ACTIONABLE_BlockNotBusy_DOUBLE_FREE_c0000374_kernel32.dll!GlobalSize

EXCEPTION_RECORD:  (.exr -1)
ExceptionAddress: 00007fff0fa6f3c9 (ntdll!RtlReportFatalFailure+0x0000000000000009)
   ExceptionCode: c0000374
  ExceptionFlags: 00000001
NumberParameters: 1
   Parameter[0]: 00007fff0fad97f0

PROCESS_NAME:  Sidekick.dll

ERROR_CODE: (NTSTATUS) 0xc0000374 - A heap has been corrupted.

EXCEPTION_CODE_STR:  c0000374
EXCEPTION_PARAMETER1:  00007fff0fad97f0
FAULTING_THREAD:  ffffffff

STACK_TEXT:  
00007fff`0fad9848 00007fff`0fa7e081 ntdll!RtlpLogHeapFailure+0x45
00007fff`0fad9850 00007fff`0f971ecf ntdll!RtlpProbeUserBufferSafe+0x53
00007fff`0fad9858 00007fff`0f971c1a ntdll!RtlGetUserInfoHeap+0x5a
00007fff`0fad9860 00007fff`0d8081d4 kernel32!GlobalSize+0x64
00007fff`0fad9868 00007ffe`2f3daab0 unknown!unknown+0x0

STACK_COMMAND:  ** Pseudo Context ** HeapPseudo ** Value: 178777fea90 ** ; kb
SYMBOL_NAME:  kernel32!GlobalSize+64
MODULE_NAME: kernel32
IMAGE_NAME:  kernel32.dll

FAILURE_BUCKET_ID:  HEAP_CORRUPTION_ACTIONABLE_BlockNotBusy_DOUBLE_FREE_c0000374_kernel32.dll!GlobalSize

OS_VERSION:  10.0.19041.1
BUILDLAB_STR:  vb_release
OSPLATFORM_TYPE:  x64
OSNAME:  Windows 10
IMAGE_VERSION:  10.0.19041.5198
FAILURE_ID_HASH:  {25511494-384a-373e-2925-15f320e45612}

I will leave you to it, and hope you can fix it in the future; thank you.

In my lay ability, I'd say the issue is you using a pointer that was previous freed, then attempted to free it again, or otherwise.