Like just about everyone else, my AS was working. Then all of a sudden it won't sync. I get past the "looking for changes" to it actually "synchronizing" but it won't actually sync. I have let it run for about 30 minutes and nothing. It bars showing sync completion that come up next to calendar, email, tasks, etc. doesn't come up. I have deleted everything in my Windows Temp folder, have gone in to the Firewall to give access to everything that needs access and even turned it off. I have removed AS 4.5 and reinstalled it twice and even reverted back to 4.2 that came with my disk. I have deleted partnerships and reinstated the partnership. Still nothing. Someone please help before I throw this thing through the wall!!