You may receive one of the following stop error messages while
working on your Windows XP computer.
STOP: C0000221 unknown hard error
Path\File_nameSTOP: 0xC0000221 unknown hard error
C:\Winnt\System32\Ntdll.dll (or another specific file or driver)
STOP: 0xC0000221 STATUS_IMAGE_CHECKSUM_MISMATCH
Path\File_name
Note: The error message may be
discussed in many different formats-blue screen or message box. It
depends on when the corrupt file was detected.
Similarly, you may receive the following STOP messages when a
critical system file fails to load on your Windows NT and Windows 2000
computer.
STOP: C0000221 unknown hard error
<path>\<file_name>STOP:
0xC0000221 unknown hard error
c:\winnt\system32\ntdll.dll
Note: Some other drive may also be given in the
message.
On Windows 2000 the following error message may display:
STOP: 0xC0000221 STATUS_IMAGE_CHECKSUM_MISMATCH
<path>\<file_name>
You usually face this problem when an incorrect driver for one or
more hardware is installed on your system. For instance, the error
messages described above are displayed when you install a millions of
instructions per second (MIPS) driver on a x86 system.
Cause of the Error
This error occurs if the file given in the error message is damaged.
Your Windows XP operating system checks the following files for
integrity during system startup:
The problem may also occur if an Iomega Zip drive is connected to the
same cable as your hard disk drive.
Resolution Method
You can resolve this issue by removing the corrupt driver from your
computer and then reinstalling a fresh and healthy copy of the driver.
You may need to use the Device Manager utility to remove the driver. It
is recommended that you clean your registry with the help of a reliable
tool, such as RegGenie
to ensure that all entries related to the uninstalled driver are
removed from the system. After you have completely removed the corrupt
driver, restart your system and install a fresh copy of the driver on
the system.
If this step does not resolve the problem, you may have to reinstall
Windows XP.
It is recommended that you regularly clean your registry with the
help of a registry cleaner tool and perform antivirus and antispyware
scan using tools, such as Antivirus
Plus and StopZilla
to prevent such errors from occurring on your system.
GOOD LUCK :-)
Here is an explanation of your problem - http://support.microsoft.com/default...;en-us;Q314474
and ways of fixing it. Regards.
Download the file here http://www.dlldump.com/download-dll-.../download.html and replace the corrupted file .. it should be in C:\Windows\system32
When you boot up, go into Safe Mode (tap the f8 key as its starting to boot up and select Safe mode from the resulting menu). Now go to the 'problem' dll, right click on it and select rename. Rename it to ntdll.dll.old then paste the new .dll into the system32 file
Hope this helps
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