Starting Outlook in Safemode doesn't make a difference either?
Looboo
Have you seen this link?
http://www.msoutlook.info/question/40
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horrgakx
Have you tried deleting the registry key, again, after that create a new Profile in Outlook and start Outlook with the new Profile. Repeating the steps you took earlier to be sure it is a fresh profile.
You will need to input your password at least once, click the Send/Receive button several times after that to Test for the Password Prompt.