Win8.1 system prompts for error 651 how to do

  
In the first step, press the windows+R key and enter “lds;services.msc”;

in the run window to check if the following services are normally enabled:
Telephony;
Remote Access Connection Manager;
Remote Access Auto Connection Manager.

The first two are open, and the default boot automatically starts, the third is the default manual open, the problem is here, the focus is below.
The second step is to find the item that was manually opened in the above service, right-click property.

Confirm that the startup type of the selected service is: Auto. If the service status is stopped, click “Start” to start the service.


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