I have no idea why though.
Symantec NRT is INDEED thought to be used AFTER the Control Panell Add/Remove programs...
But at least its off my system.
Wow
I have this is the past. I've installed avast, then 3 on-demand (non-resident) scanners.
Security Center detects avast and not the others... everything was fine.
When I have to uninstall avast, boot, install again, the *fantastic* Security Center detected Antivir as resident. *hit
I've uninstalled it and boot.
Then the *fantastic* Security Center detected AVG
The same... uninstalling...
Then the *fantastic* Security Center detected nothing...
Then uninstall avast... still no detection...
Believe or not, I have to reinstall Windows