OK, so here's what I specially did to resolve this problem (which just a clarification of what is already posted).

1. Fresh installed AK200
2. Restored database.
(I always install AW200 in my user folder for easier bulk backup)
3. Place the latest manual update file in the same root folder that AW2000 exists.
4. Reboot
5. Run as administrator the update.

Thanks for all the reply help already listed.

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