How to repair a failed repair install logon in safe mode

Dell 4600 dimension
March 29, 2017 at 06:42:09
Specs: windows XP SP3, Pentium 4 3.2GHz
Windows XP SP3 logon clicked on user name then a system error Isasse,exe not correct format did not have a initial MZ system then crashed and automatic reboot showing a BSOD STOP:C000021a (Fatal System Error) begin dump of memory . The windows subsystem processes has been terminated unexpectedly with a status of 0x0000005 (0x77f5178d) showing file corruptions before the windows logon screen and correction were made. Windows user logon screen showed clicked on user name Robert (Computer administrator) to login and computer started to repeatedly reboot after clicking on user name at windows logon screen. I changed the boot drive from Hard Disk to Windows XP CD installation disk to do a Windows XP repair install.

During repair install was not prompted for a new user name and repair install went into loading windows successfully. Clicked on user name and computer started to repeatedly reboot. Logon in safe mode clicked on user error message: Windows cannot load the user profile, but has logged you on with the default profile for the system . The system has attempted to load or restore a file into the registry, the specified file is not in a registry file format.

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March 29, 2017 at 08:08:21
Just to clarify current status: can you logon at all - safe-mode at least? Or is the system simply into boot-loop?

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March 29, 2017 at 08:32:11
Sounds like a major corruption. Bear in mind that it might have been caused by a hardware fault.

Always pop back and let us know the outcome - thanks

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March 29, 2017 at 13:26:38
Presuming you can boot into safe mode at least, see if you can run the utility linked below.

Be careful to download the utilty and NOT THE assorted other stuff very clearly placed to attract...

Tweaking is best run in safe mode. Let it do everything it offers.

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March 31, 2017 at 16:53:46
Last error reported could easily be 'off the mark' as to the exact issue, they aren't made to think.

Repair install would not overwrite damaged lsass.exe file as it's lower versioned than SP3 version already in place and damaged. Better solution might be to reinstall SP3 if safe mode can still be used.

No joy there and I would switch to linux USB boot drive to delete lsass.exe first and then restore it from a second XP SP3 box. Highly suspect dying hard drive is the cause and this won't fix that.


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