My Security Center has recently indicated that my virus protection is out of
date.  I use PC-cillin (supported) and the program is current (up to date). 
I have tried several methods to get my security center to recognize my
up-to-date virus protection software but cannot get it to work - please
assist.

Bypass Authentication
Serializing credentials and reauthenticating. How?
PrincipalPermission, getting started
How to track down source of crash + Event log error?
CAPICOM keylength for 3-DES
Embedding Software Registration Info in Win Registry
How to get Windows user name of a 3rd party application in dotnet?
1 update fails to install.
Security Assessment Tool
User account getting constantly locked out