windows xp corrupt file

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Guest

I too am getting a "STOP C0000221 bad image checksum error on urlmon.dll".
Client said one day after no known changes the machine just started a boot
loop. After several useless rescue attempts, I reloaded the OS, checked for
virus' and spyware, and let the machine sit. After about 2 hours, the
machine started looping again. I have disabled most devices and no change -
cannot get into even a DOS prompt. Today, I get a call from a guy with the
exact same problem on a W2000 machine!
Any real help out there?
 
"STOP: C0000221 unknown hard error" or "STOP: C0000221 STATUS_IMAGE_CHECKSUM_MISMATCH" error message occurs
http://support.microsoft.com/kb/314474/en-us

--
Carey Frisch
Microsoft MVP
Windows Shell/User

--------------------------------------------------------------------------------------

:

I too am getting a "STOP C0000221 bad image checksum error on urlmon.dll".
Client said one day after no known changes the machine just started a boot
loop. After several useless rescue attempts, I reloaded the OS, checked for
virus' and spyware, and let the machine sit. After about 2 hours, the
machine started looping again. I have disabled most devices and no change -
cannot get into even a DOS prompt. Today, I get a call from a guy with the
exact same problem on a W2000 machine!
Any real help out there?
 
I too am getting a "STOP C0000221 bad image checksum error on urlmon.dll".
Client said one day after no known changes the machine just started a boot
loop. After several useless rescue attempts, I reloaded the OS, checked
for
virus' and spyware, and let the machine sit. After about 2 hours, the
machine started looping again. I have disabled most devices and no
change -
cannot get into even a DOS prompt. Today, I get a call from a guy with
the
exact same problem on a W2000 machine!
Any real help out there?

I'm not sure about real help, but for what it cost you to post here, here
you go for a start.
http://aumha.org/win5/kbestop.htm
0xC0000221: STATUS_IMAGE_CHECKSUM_MISMATCH
 
yes I read that. However it does not explain why after disabling most
everything, and reinstalling the OS, the machine would work fine for several
hours, then start crashing again. Ubnless heat is affecting hardware. Or
auto updates are crashing it. So is it a dead machine?
 
In addition to Carey and Rocks' advice, check to make sure that the machine
is not overheating, power supply and otherwise. Also check to make sure RAM
is OK. You may want to try these for testing RAM:
http://www.memtest86.com/
http://www.memtest.org/
Run the test for several hours.
Also consider (because of this happening to two machines), is there any new
software, updates etc. that have been recently installed.

Post back with any additional info.

--
Curt
http://dundats.mvps.org/
http://www.aumha.org/


| "HWL" wrote
|
| >I too am getting a "STOP C0000221 bad image checksum error on
urlmon.dll".
| > Client said one day after no known changes the machine just started a
boot
| > loop. After several useless rescue attempts, I reloaded the OS, checked
| > for
| > virus' and spyware, and let the machine sit. After about 2 hours, the
| > machine started looping again. I have disabled most devices and no
| > change -
| > cannot get into even a DOS prompt. Today, I get a call from a guy with
| > the
| > exact same problem on a W2000 machine!
| > Any real help out there?
|
| I'm not sure about real help, but for what it cost you to post here, here
| you go for a start.
| http://aumha.org/win5/kbestop.htm
| 0xC0000221: STATUS_IMAGE_CHECKSUM_MISMATCH
|
| --
| Rock [MVP - User/Shell]
|
 
HWL said:
yes I read that. However it does not explain why after disabling most
everything, and reinstalling the OS, the machine would work fine for
several
hours, then start crashing again. Ubnless heat is affecting hardware. Or
auto updates are crashing it. So is it a dead machine?


Consider the possibility that malware is causing the problem.
Help with malware:
All MS-MVP Sites.
http://aumha.org/a/parasite.htm
http://aumha.org/a/quickfix.htm
http://www.elephantboycomputers.com/page2.html#Removing_Malware
http://mvps.org/winhelp2002/unwanted.htm
http://inetexplorer.mvps.org/darnit.html
http://www.mvps.org/sramesh2k/Malware_Defence.htm

Unexplained computer behavior may be caused by deceptive software.
http://support.microsoft.com/kb/827315

So How Did I Get Infected Anyway?
For quite a few people it's by installing Messenger Plus, whose ads for
malware don't identify the malware as such and try to convince you that you
owe it to the author. See also:
http://www.wilderssecurity.com/showthread.php?t=27971
Don't ever do a "default" install of anything. Always choose Custom and see
what else is being carried along. Don't install any extras you're not sure
of.
 
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