Can't boot at all - Registry_Error (STOP 0x00000051)

Hi experts,
I'm having trouble with a Win XP box that won't boot into any mode at all (safe, last known good etc). It gives me BSOD with Registry_Error (STOP 0x00000051). I have tried swapping ram, unplugging pci cards and nothing has solved the problem. I'm pretty confident that it's not a hardware problem because I can boot from a knoppix cd fine. ( )

I have tried an "in place upgrade" and also entering recovery console by booting from the Windows CD, each of these BSOD's at the point of analysing or logging onto the windows partition.

My thinking is that it's a registry error, any ideas? I do have a registry backup saved to the hard drive. Is there any way I can restore that backup to the hard drive bearing in mind that I can't use recovery console? I do have other computers available to plug the drive into.

Trying desperately to avoid a complete re-install,
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aidanjamesholmesAuthor Commented:
Sorry, forgot to mention:
Data on this disk is readable using a second win XP box. I scanned the drive with Ad-Aware and Norton Antivirus. Adaware revealed approx15 minor items. Antivirus uncovered some more adware and about 5 diallers, all of which were deleted.

Guy Hengel [angelIII / a3]Billing EngineerCommented:
A restore of the registry should fix the issue.
aidanjamesholmesAuthor Commented:
how can I restore the registry to a disk I have not booted from?
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
aidanjamesholmesAuthor Commented:
must recovery console be run using the original pc?
or is it possible to run recovery console on a second pc, make the changes to the registry and then swap the hard drive back again?
Guy Hengel [angelIII / a3]Billing EngineerCommented:
must be run on the orginial pc... and actually be installed on it BEFORE the "crash" :-(

aidanjamesholmesAuthor Commented:
how do you mean installed?

I cannot run recovery console on the pc in question.
It asks me which windows installation I want to log on to, when I select the installation (number 1) it BSOD's
Guy Hengel [angelIII / a3]Billing EngineerCommented:
aidanjamesholmesAuthor Commented:
so would you agree that since I can't use recovery console from the cd and it's too late to install it as a bootup option that recovery console is not an option. Would you also agree that if I cannot use another pc to restore a .reg backup file to this hard drive, then I am screwed.

Are there any options remaining other than a format/reinstall?
Guy Hengel [angelIII / a3]Billing EngineerCommented:
As you can use the HD in another PC, you will be able to recover "most" of the data, so you "only" need to reinstall the system (including the recovery console)...
You might try to replace the registry hive files while the HD being on another PC, but as to my experience this won't help.  

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aidanjamesholmesAuthor Commented:
Only need to reinstall the system?  - and all the applications, and all the updates, then manually dump the recovered data back in the right locations........ (man I hate windows, a reinstall with mac or linux will leave your applications, data and preferences just the way you had them)
Guy Hengel [angelIII / a3]Billing EngineerCommented:
yeah :-(
aidanjamesholmesAuthor Commented:
Oh well,
Thanks for taking the time to help out.
Time to bite the bullet I suppose.
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Windows XP

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