In the antivirus area of the eventlogs I see an error:
AAVM initialization error. Aavmstart avworkInitialized failed, 0000A413.

First time the error occure ist the 13 August 2006, followed by the information
Function setifaceUpdatePackages() has faild Return code is 0x20000004, dwRes is 20000004.

At the system area of the eventlogs is see only warnings from the dhcp funktions.