I have been syncing my 8330 to BB Desktop Manager for many months I upgraded, to Desktop Manager V5.0 the other day and then the desktop manager kept shutting down in the middle of syncing. I uninstalled V5.0 and went back to the old faithful V4.6, it seemed to work the first tiem after registering it and then the next time I tried to sync it started shutting down again, I again uninstalled and reinstalled and it still does it. Please help as I need to sync and backup again.