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benevolent001 - 3:52 am on Aug 29, 2009 (gmt 0)
1.Boot to the Recovery Console (and hope you have the admin password)
I think this process might help
2.Type cd $ntservicepackuninstall$\spuninst
3.Type batch spuninst.txt
4.The screen will scroll around, saying files missing, access denied and also copying files about. Just wait for this all to finish
5. Reboot. I was able to reboot in normal mode
6. Re-install SP2 (You must do this or the problem will recurr at step 7). REBOOT
7. Install KB834707 from MS Website