Left for a couples hours with entity screen w/ticket widgets open and came back to crash with OutOfMemoryException

There was nothing in the log but I got this from the debugger:

System.OutOfMemoryException
  HResult=0x8007000E
  Message=Exception of type 'System.OutOfMemoryException' was thrown.
  Source=PresentationCore
  StackTrace:
   at MS.Internal.PresentationCore.SafeSecurityHelper.CleanupCollectedAssemblies(Object state)
   at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(Object state)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()

MS.Internal.PresentationCore.SafeSecurityHelper.CleanupCollectedAssemblies was the only active thread.

There were only 3 tickets on-screen.

Samba.Presentation.exe was using close to 2GB of RAM

Event logs:

Fault bucket , type 0
Event Name: CLR20r3
Response: Not available
Cab Id: 0

Problem signature:
P1: Samba.Presentation.exe
P2: 5.3.7390.18677
P3: 5e7c583a
P4: PresentationCore
P5: 4.8.3928.0
P6: 5d390964
P7: 53c8
P8: b1
P9: System.OutOfMemoryException
P10: 

Attached files:

These files may be available here:


Analysis symbol: 
Rechecking for solution: 0
Report Id: 86f181aa-2c44-11eb-82eb-ebf2c8f0acdd
Report Status: 0

.

Faulting application name: Samba.Presentation.exe, version: 5.3.7390.18677, time stamp: 0x5e7c583a
Faulting module name: KERNELBASE.dll, version: 6.1.7601.24384, time stamp: 0x5c6e2226
Exception code: 0xe0434352
Fault offset: 0x0000c5af
Faulting process id: 0x1bc0
Faulting application start time: 0x01d6c03a7d7ef5b9
Faulting application path: C:\Program Files (x86)\SambaPOS5\Samba.Presentation.exe
Faulting module path: C:\Windows\syswow64\KERNELBASE.dll
Report Id: 86f181aa-2c44-11eb-82eb-ebf2c8f0acdd

Here’s CleanupCollectedAssemblies() source if it helps:

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