INACTIVATED NETWORKING ETC

MY NETWORKING & CERTAIN OTHER VISTA PROCESS WERE DISABLED (EG SYSTEM EVENT NOTIFICATION) RECENTLY WHEN I WAS UPDATING KASPERSKY ONLINE. (?? VIRUS) I HAVE MANAGED TO REISTALL KASPERSKY BUT THE WINDOWS NETWORKING ETC ARE STILL NOT WORKING !! SCAN WITH NAV 2008 TRIAL REVEALS NO VIRUS AS DOES THE REINSTALLED KASPERSKY !! HELP …. STAN 15/05/08