From time to time we see this error in our TopShelf / MT3 Subscriber - Windows Service. Doesn't seem fatal, just not sure what it means:
Exception Detail 1
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TypeName: System.ArgumentException, mscorlib
Message: Process with an Id of 20504 is not running.
Source: System
StackTrace: at System.Diagnostics.Process.GetProcessById(Int32 processId, String machineName)
at Topshelf.Runtime.Windows.WindowsHostEnvironment.GetParent(Process child)
ParamName:
Additional Information
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Message=Unable to get parent process (ignored)