Exception:
System.ApplicationException: Object synchronization method was called from an unsynchronized block of code.
at System.Threading.Mutex.ReleaseMutex()
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
Environment:
Microsoft Windows NT 6.2.9200.0
The program has been installed on Windows Server 2012 R2 64bit with 4GB Ram.