Good morning, I've just enabled Application Control logging and I've been seeing an error message every few days. I can't determine if this is normal or what might be causing it. Any help would be appreciated.

SEP 11.0.7000.975  (Working on Upgrading)

Event Type: Tamper Protection

Severity: Major

Caller Process: C:/Documents and Settings/All Users/Application Data/Symantec/LiveUpdate/RESTORE_TMP/LUCatalogRestore.exe

Target: SYM_AUTO_UPDATE_MUTEX

Caller Process: 6052