There are several Bitdefender 2010 and Microsoft Outlook problems
In early 2010 we switched from using Kaspersky Anti-Virus because it was hanging up computers for ever even with a clean install of Windows. After some research and some 30 day trial runs we decided on Bitdefender. However Bitdefender and Microsoft Outlook do not get along very well. There are three problems that we have noted so far;
Something else we are looking at is a problem with FireFox not starting. I do not yet know if this is a Bitdefender problem. The solution is to use ‘alt’ ‘control’ and ‘delete’ to see how many copies of FireFox are running, (Sort the list alphabetically) then shut them all down. Then restart FireFox, so far this has worked every time.