Unable to verify checksum for avformat-58.dll

Question

The following is a crash dump produced by my video streaming application written in .NET Core 3.1 with Windows Forms 32-bit. I'm trying to workout how to best interpret this information. I cannot find this dll being referenced anywhere.

Crash dump:
PROCESS_NAME:  Name.exe

EXCEPTION_CODE_STR:  80004005

FAULTING_THREAD:  ffffffff

STACK_TEXT:  
4700eaa4 04a18620 System_Private_CoreLib!System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw+0x18
4700eaac 0ee6083c System_Private_CoreLib!System.Threading.ExecutionContext.RunInternal+0xbc
4700eae0 666c328f System_Private_CoreLib!System.Threading.ThreadHelper.ThreadStart+0x22db9d17


STACK_COMMAND:  ** Pseudo Context ** ManagedPseudo ** Value: ffffffff ** ; kb

SYMBOL_NAME:  System_Private_CoreLib!System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw+18

MODULE_NAME: System_Private_CoreLib

IMAGE_NAME:  System.Private.CoreLib.dll

FAILURE_BUCKET_ID:  CLR_EXCEPTION_80004005_System.Private.CoreLib.dll!System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw

OS_VERSION:  10.0.19041.1

BUILDLAB_STR:  vb_release

OSPLATFORM_TYPE:  x86

OSNAME:  Windows 10

IMAGE_VERSION:  4.700.22.16002

FAILURE_ID_HASH:  {a19b02e2-e5ea-3965-96bf-e2de5607741e}

Followup:     MachineOwner

Added additional information from WinDbg:

eax=6b82f220 ebx=00000005 ecx=00000005 edx=00000000 esi=e0434352 edi=6b82f2dc
eip=764fb982 esp=6b82f220 ebp=6b82f278 iopl=0         nv up ei pl nz ac po nc
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00000212
KERNELBASE!RaiseException+0x62:
764fb982 8b4c2454        mov     ecx,dword ptr [esp+54h] ss:002b:6b82f274=2213319e
Exception object: 8eff28b0
Exception type:   System.InvalidOperationException
Message:          Invoke or BeginInvoke cannot be called on a control until the window handle has been created.
InnerException:   <none>
StackTrace (generated):
    SP       IP       Function
    6B82EE88 182A2633 System_Windows_Forms!System.Windows.Forms.Control.MarshaledInvoke(System.Windows.Forms.Control, System.Delegate, System.Object[], Boolean)+0x2db
    6B82EF0C 182A2242 System_Windows_Forms!System.Windows.Forms.Control.BeginInvoke(System.Delegate, System.Object[])+0x4a
    6B82EF3C 050627FA System_Windows_Forms!System.Windows.Forms.WindowsFormsSynchronizationContext.Post(System.Threading.SendOrPostCallback, System.Object)+0x3a
    6B82EF50 1C19CB69 System_Private_CoreLib!System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.PostAction(System.Object)+0x71
    6B82EF68 166EACFD System_Private_CoreLib!System.Threading.Tasks.AwaitTaskContinuation.RunCallback(System.Threading.ContextCallback, System.Object, System.Threading.Tasks.Task ByRef)+0x3d
    6B82F3CC 05232A40 System_Private_CoreLib!System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()+0x18
    6B82F3D4 6AD5BCD7 System_Private_CoreLib!System.Threading.Tasks.Task+<>c.<ThrowAsync>b__139_1(System.Object)+0x17
    6B82F3D8 0543AAD9 System_Private_CoreLib!System.Threading.QueueUserWorkItemCallback+<>c.<.cctor>b__6_0(System.Threading.QueueUserWorkItemCallback)+0x11
    6B82F3DC 0543AAAE System_Private_CoreLib!System.Threading.ExecutionContext.RunForThreadPoolUnsafe[[System.__Canon, System.Private.CoreLib]](System.Threading.ExecutionContext, System.Action`1<System.__Canon>, System.__Canon ByRef)+0x46
    6B82F3F4 0543AA4F System_Private_CoreLib!System.Threading.QueueUserWorkItemCallback.Execute()+0x2f
    6B82F400 24B2DE3B System_Private_CoreLib!System.Threading.ThreadPoolWorkQueue.Dispatch()+0x1db
    6B82F44C 24B2DC45 System_Private_CoreLib!System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()+0x5

StackTraceString: <none>
HResult: 80131509