problem after problem after problem - winXP wont start!



The first problem I had made the problem look like my bootup files were
corrupt. I received an error that boot.dll or some such file was missing. I
repaired that through the Windows XP CD Recovery Console, then ran a chkdsk
/r. Next bootup I was told another .dll - something like hal.dll - was
missing or corrupt, and when I fixed that, I was told my system registry is
corrupt. (The following file is missing or corrupt:
C:\WINDOWS\System32\System.exe) Finally I gave up and repaired the
installation through the cd's automatic repair option (after booting from the
Windows XP CD, hit ENTER for setup and then R to repair existing
installation). Then, when I tried to start WinXP normally a blue screen
flashed then PC rebooted. I successfully booted into Safe Mode with
Networking. Numerous AV Scans revealed nothing.

Later I selected "do not restart upon failure to boot" from the Advanced
Startup Options and identified the blue screen as the following Stop error:

A problem has been detected and windows has been shut down to prevent damage
to your computer.

If this is the first time you've seen this Stop error screen, restart your
computer. If this screen appears again, follow these steps:

Check to be sure you have adequate disk space. If a driver is identified in
the Stop message, disable the driver or check with the manufacturer for
driver updates. Try changing video adapters.

Check with your hardware vendor for any BIOS updates. Disable BIOS memory
options such as caching or shadowing. If you need to use safe mode to remove
or disable components, restart your computer, press F8 to select Advanced
Startup Options, and then select safe mode.

Technical Information:

*** STOP: 0x0000007E (0xC0000005, 0xF7480174, 0xF7C85D3C, 0xF7C85A38)

Disk space is out of the question, as it was working fine before, and 40GB
has always been enough. No drivers are identified, and they all should be
updated. I don't know why my BIOS would suddenly change, but if you think I
should check on that "caching and shadowing" I'll do so. I ran a bootfix and
another chkdsk /r from the Repair Utility, but neither fixed my problem.

After identifying my Stop error, I rebooted and again tried to access Safe
Mode. I planned on checking device manager for out-of-date drivers. No such
luck. When all the files loaded for Safe Mode, the PC hung on this one:


I expanded d:\i386\mup.sy_ to c:\windows\system32\drivers in the Recovery
Console and replaced the existing mup.sys to no avail. Still unsuccessful
boot, still stops at mup.sys in safe mode. I've done some googling, and many
people relate the problem to USB devices and power supplies - I'm using ps/2
mouse and keyboard, so that's out of the question. I must say I have not a
clue what's going on with my system. Without being able to access my files
even in safe mode my system is utterly useless at this point, and it only
increases my determination to fix the problem rather than reformat - I've no
way of recovering documents! I'd appreciate any and all help. This problem is
definately perplexing - none of the "symptoms" seem to relate. Thanks,







Also, I've identified the initial file error: it was with ntoskrnl, and I
expanded it from the Setup CD to fix the issue. Don't know if this helps any.

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