Debugger to Computer Communication Error Actions

If the MPLAB ICE 4 In-Circuit Emulator and MPLAB X IDE are not communicating with each other:

1. 1.Unplug and then plug in the debugger.
2. 2.Reconnect to the debugger.
3. 3.Try the operation again. It is possible the error was a one-time event.
4. 4.The version of a pack (DPF/TP) installed in MPLAB X IDE may be incorrect for the target device. See MPLAB X IDE documentation for information on how to install updated packs.
5. 5.There may be an issue with the computer USB port. See section USB Port Communication Error Actions.