[davoneus]

Amen. People are amazed when I fire up SysInternals 'ProcMon' and show them how many hundreds of thousands of times their AV fires off in one single minute of monitoring. ()

I'll grant that kind of sustained checking is what you need to combat malware on Windows. But it damn well does have an effect on the overall system responsiveness.

() I did a q-n-d check; 1.3M events, and almost 300K were AV/Malware.