VIAVI TestCenter: The GUI crashed with Error Message - Some ports have experienced unexpected errors and will be taken offline

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VIAVI TestCenter: The GUI crashed with Error Message - Some ports have experienced unexpected errors and will be taken offline
  Possible reasons: VIAVI TestCenter Application Version does not match the VIAVI TestCenter Firmware Version To verify each, take the following steps:Application - Launch the GUI and Select form the Help Menu - AboutFirmware - Use the GUI to Connect to the Chassis and Select from the Tools Menu - Equipment Information - Chassis - Firmware Version The chassis went down for some reason (network issue, disconnection, PC issue)Probably someone else reserves the same ports you are trying to use When this happens usually the logs shows a message saying "The ports are not longer reserved by user" Communication reachability for some STC features Modify the C:\Program Files\VIAVI Communications\VIAVI TestCenter X.xx\VIAVI TestCenter Application\stcbll.ini file for the following: