The Group Policy service is responsible for applying Group Policy to computers and users. By default, the service starts during computer startup and remains operating until computer shutdown. Errors occurring within the core service usually result in a failure of Group Policy processing.
Correct an unclassified error
An internal Group Policy error occured that is not classified by another Group Policy event. Possible resolutions include:
Review the system log for errors appearing before this event and follow the troubleshooting procedures associated with the event.
Find the error code displayed in the error event. The error code appears on the Details tab of the error event. The error code and error description fields may help identify the reason for the failure.
Use the Group Policy Operational log and Group Policy troubleshooting procedures found to further diagnose the problem.