It was the first of the "send out to multi-engine" one I tried. I like that it scans locally and if it's suspicious but can't identify why, the file goes out for analysis.
CCleaner runs at startup but it'd be nice if it had a "on shutdown" checkbox too. Maybe I'll do a .cmd to run it. Comodo I'll have to look into further.
Secunia is awesome. I skip the auto-update as I do with the Windows patches but v2 is a very nice update to the first. PSI goes on any home user machine I look at now. I've CSI on my wishlist for work. What I've noticed is that it runs as admin in the background. I always get prompted to become admin when opening it as a regular user. That's probably how manages the install while your regular user.
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