EventLog_UnexpectedShutdown job in Monitoring Policy stops. (NETIQKB51702)

EventLog_UnexpectedShutdown job in Monitoring Policy stops.

Error: RErrr4133(L383):Readevent failed on <(null)>, last code: 1500.'

Knowledge Script stops as soon as it's dropped on the Managed Client.

Cannot open the event log.

Error: 'The Event log is corrupted.'

Check the Application/System/Security Eventlogs which you are using the General_EventLog Knowledge Script to monitor. 

To resolve this condition, clear the System EventLogs on the Managed Client.

The System EventLog on the Managed Client is corrupted.

Formerly known as NETIQKB51702