Could not restart the NMEA service error
Could not restart the NMEA service: could not send restarter command to Franson.SysMonitor.Service: Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has fail
1. Stop all listeners with connected devices under Site Admin › Devices › Listeners (uncheck the Active box )
2. Stop and then Start the Service.(On the server from Windows Services)
3. Try updating your plugins again.
After the update has completed remember to start the listeners under Devices again.