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kcoceres

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Explorer.exe will NOT run. At windows start or from task manager

pc is running xp prof.  
Xp starts up to just mouse curser on black screen.  Safe mode same problem
I can bring up task manager and run any progrom BUT explorer.exe
When I try to run explorer.exe I get the message
"Windows cannot find "explorer.exe"      I browse to the windows directory and click on explorer but still get the same message.  
>>>>I JUST COPIED EXPLORER.EXE FROM A XP PROF DISK   and now instead of "Windows cannot find"  a dos windows pops up and says "Program to big to fit into memory"
????????
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kcoceres

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There is a 2nd xp installation on the pc  (boot up choice) that runs fine and I ran avg so I'm pretty sure it's virus free now (it did find one)   Also ran Adware se to clear out alot of adware spyware on the hard drive.

I don't have the cd's the pc came with.  I do have a xp proff cd however but I'm a little nervous about running repair with it.
Once before I ran a repair on a pc and my xp cd was NOT the exact version as the pc  and it proceeded to load the version off my cd (which of course there product key did not work with since it was a different version).

I'm hoping to find a solution Without trying repair.

I did just install SP2,  which I thought would fix ,   but the problem is still there.
I also tried to access system restore through the task manager.  It showed up in the running processes but I couldn't see anything running on the screen.

Right now I'm running sfc /scannow
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you can run a repair without having to reinstall - hence bypassing the need for a different CD Key
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Yes I ran adware pe also.

True.  I think I was remembering doing an install over top of the xp and THAT caused the problem since I had a different version. My sfc just finished so I'm going to see what happens.
If that didn't do anything then I will try a repair install  - be back soon guys
Oh well sfc didn't do a thing - on to xp repair
Oh yes I did check check the  system and application event log and do not get any red alert.
It seems to run any program I want it too but explorer.
I also checked in the registry to make sure shell=explorer was there.  It was
Tried booting from xp prof. disk.  Got the same error twice.
STOP: c0000221 Unknown Hard Error
\SystemRoot\system32\ntdll.dll

what point did you get that error?

is your disk scratched or dirty?
In the beginning when it was loading files off the cd.
No the cd only has a few scratches.  
I'm burning a new copy of it right now and try again.
According to that technet article you referenced it  is a bad medium.  
I'm just about finished burning a new cd to try.  
Repair finished and still a blank screen.   Except now when I try to run Explorer.exe from the Task Manager I'm back to getting the message "Windows cannot find c:\winnt|explorer.exe"  even though the file if definitely there?

Just finished Repair of cd and still a blank screen.
Now when I try to run explorer.exe from the Task Manager it's back to giving me the message
"Windows cannot find c:\winnt\explorer"  even though the file is definitely there!!!!!!!
can you use the recovery console on the windows xp cd to delete and copy over a new version of explorer.exe

it is looking more and more likely that you will have to reinstall to me
\winnt\explorer is the path for W2K. Do you  use XP CD-ROM to do recovery?
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did you run spybot or addaware or any other spy cleaner or any antivirus scan befor this happed if yes run it again and select undo changes
Good morning.    
There are two installation of xp on the pc and the one I am trying to revive is under c:\winnt.
I have tried to run system restore and even though it shows up under the task manager processes the windows never comes up - and I tried it from a Safe Mode Dos prompt boot and also from normal mode.

When I ran the repair install it did give me the option of which xp install I wanted to repair so I was able to pick the correct one under c:\winnt.

Yes copying the data and reinstalling is always an option, trulu   but there are some programs on there that cannot be reloaded -  that's why I'm spending so much time trying to get it going.    But of course in the end I might have to do that anyway.

I'm going to ghost the whole hard drive now and try reloading xp pro over top of the installation .   At least then if the version on my cd is different  I will not have messed up the original Hard drive.

Anyone with  any registry Ideas?    I've tried searching on the web and so far I have only come up with checking to make sure that shell=explorer.exe
There's alot of paths in the registry that you need to make sure it's right, but the only way to work on is to get the system restore working for you so you can restore to an eariler point.....!

Does the recovery console works for u? as redseatechnologies suggest for you, if the xp cd doesn't work for you try using 2000 cd. It will work as another asker has tried it and it works for him.

That's the link for how you can goto Recovery console using 2000 cd
https://www.experts-exchange.com/questions/21391908/Black-screen-after-boot.html
for you? why i keep saying typing these 2 words.
Thanks for trying guys.    I finally gave up.
Oh Moh10ly   I could always get to the registry just by typing regdit in the task Manager Run.
Just to let everyone know.... While surfing through the internet I found someone who solved this problem and has a way to fix it. There is a registry key in the registry that are causing the problem. It affects the explorer.exe.

This is the key that needs to be deleted...

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe

Once this key is deleted, and you reboot, the desktop should come back to life.

Thank you whoever found this information and I hope this will be a benefit to someone else out there.
Brett jervis.... thank you, thank you, thank you.... that registry key deletion fixed my explorer problem that I have been working on for two days.