The EventLog service reported that the %5 event log on computer '%7' is corrupt. The Windows Event Log Provider will attempt ...

The EventLog service reported that the %5 event log on computer '%7' is corrupt. The Windows Event Log Provider will attempt to recover by re-opening log. 

One or more workflows were affected by this.  

Workflow name: %2 
Instance name: %3 
Instance ID: %4 
Management group: %1