vista rollback xp hangs after logon

I did a rollback to XP which said was successful. After it rebooted it hangs after the logon screen and trying to load personal settings. I can't even boot into safe mode.
Any suggestions?

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Answered in vista.general.
"metrxseven" wrote in message

I did a rollback to XP which said was successful. After it rebooted it hangs after the logon screen and trying to load personal settings. I can't even boot into safe mode.
Any suggestions?