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Port Is Open

An Unexpected error occurred in ScotRF. We are sorry for the inconvenience

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port open

Explanation

  • The USB/Serial communication port (COM port) was still busy/locked when ScotRF tried to connect.
  • The software was started too quickly after Windows boot or after plugging in the USB.
  • A leftover process from a previous session was still holding the port.
  • Rarely, the USB driver/device may hang in Windows Device Manager.

Possible resolution

Wait before using software: After launching ScotRF, wait 10–15 seconds before clicking buttons or loading jobs.

Close and restart properly: If the error appears, close ScotRF completely. Re-open after 10–15 seconds.