What, no clues ? I've been running both, side by side, on several machines, for many years, over at least three different incarnations of windows. I've not experienced any form of a problem until the current version of uTorrent (installed this week). The advice I receive is simply 'uninstall ZoneAlarm'. I can't help but feel there should be torches and pitchforks involved here, somewhere... "Wait ! I was going to make espresso...."