System.InvalidOperationException: Could not get info for output file:

[bbh4c2cfzq-cpu]

What were you doing when VidCoder crashed?

picked a single file to add to queue. Pressed start encoding when program crashed.
When I reloaded VidCoder, system said it was installing update 12.13

Crash details

VidCoder 12.12 VelopackInstaller
System.InvalidOperationException: Could not get info for output file: 
 ---> System.ArgumentNullException: Value cannot be null. (Parameter 'fileName')
   at System.IO.FileInfo..ctor(String fileName)
   at VidCoder.Services.ProcessingService.<>c__DisplayClass252_0.<OnEncodeCompleted>b__0()
   --- End of inner exception stack trace ---
   at VidCoder.Services.ProcessingService.<>c__DisplayClass252_0.<OnEncodeCompleted>b__0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)