It took me awhile to figure that one out, too. It's the on-access mail scanner icon for Avast. I first started noticing it when I was downloading from newsgroups with Grabit.<BR><BR>That said, I've ...

Keeping all system tray icons visible helps me stay aware of what’s running in the background. Visible icons aren’t cluttered if screen space allows and background apps are limited. System tray icons ...