An unhandled asynchronous non-synchronized exception occurred while running YAT.

YAT Gamma 3 Version 1.99.70

Exception:
    Type: System.ObjectDisposedException
    Message:
        Safe handle has been closed
    Source:
        mscorlib
    Stack:
       at System.StubHelpers.StubHelpers.SafeHandleC2NHelper(Object pThis, IntPtr pCleanupWorkList)
       at Microsoft.Win32.UnsafeNativeMethods.WaitCommEvent(SafeFileHandle hFile, Int32* lpEvtMask, NativeOverlapped* lpOverlapped)
       at System.IO.Ports.SerialStream.EventLoopRunner.WaitForCommEvent()
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()