SmartLink monitor won't stay open on the player, Cylance antivirus closing it

Potential Symptoms

  • SmartLink monitor app icon is not visible in the lower right on the task bar.
  • Icon may appear briefly when starting the app and the disappears.
  • SmartLink monitor app log file located at C:\Documents and Settings\All Users\Application Data\Daktronics\SmartLink Monitor has the following events:
    • Application Started
    • Application terminated


  • Product Family: Billboards
  • Product: DB-4200
  • Component: Windows XP image
  • Control System:


  • Cylance antivirus closing the app.


  • Unknown, possibly add the SmartLink monitor app to the list of exceptions in Cylance.
    • App is installed at C:\Program Files\Daktronics\Common\SmartLink Monitor and the file name is SmartLinkMonitor.exe

For Temporary Operation

  • Uninstall Cylance through Add/Remove Programs in Windows Control Panel.

KB ID: DD3743585

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