Is this a production server?
What you are finding out is why doing in-place upgrades is less than desirable.
Honestly, without a lot of trial and error, I would probably give up and start from scratch. It will be faster and certainly easier to re-install the entire server from scratch.
Michael L John
If you assassinate a DBA, would you pull a trigger?
To properly post on a forum:
http://www.sqlservercentral.com/articles/61537/