When I try to start Outlook 2007, my system freezes, and Outlook says it is "synchonizing folders".
I don't use exchange, and haven't seen any answers online.
I've tried turning off the exchange integration (right clicking my folders)
Since doing the latter, there is no longer an icon in the system tray when this is frozen (there was before)
It seems my anti-virus program (comodo) was what was actually locking during Outlook file synch. I disabled that, and things seemed to settle down.