well recently when i started to play games in yahoo and miniclip, halfway during the game i got disconnected due to heavy lag. As always i tried to kill the task by pressing ctrl+alt+del = i realise that the CPU usage became 100%
and the commit charge(bottom right corner) was at it highest reaching about 800M/1157M from the usual 303M/1157M(thinking that the worm is the cause)
Another thing is today i scan my com for virus using active virus shield however half way through scanning it detected 2 email worms.i neutralize it but suddenly my com switch off as i forgot to put power

but however when i restarted scanning the log files of the previous 2 virus were not found and they did not detect it at all. is there any possible ways to check if the worm is not the cause for the computer to be lag?