Windows STOP: unknown hard error with the ntdll.dll file. For example, STOP: C0000221 Unknown Hard Error \SystemRoot\System32\ntdll.dll

Reboot Loop After Installing Windows XP SP3

To solve this problem you have to grab a pen, a piece of paper and the Windows XP Disc. Make a nice drinks or coffee or tea to make you feel relax...

1. Start the computer and keep tapping F8 button when the system starting until you see the "Windows Advanced Options Menu" Please select an option:
select the "Disable automatic restart on system failure" then press enter.

2. Now we're on the Blue Screen Of Death (BSOD) showing the symptom that causes the illness. Write down the name of the file....

3.Put the Windows XP Disc into CD/DVD Drive and press the reset button to restart the computer, then press any key when the system starting for the Windows XP Disc. Now you see a "Window Setup" with blue screen background and please wait until it settle down.

4. Press R for Recovery Console... We are on the "Microsoft Windows XP (TM)Recovery Console" press 1 to log on...then press enter.

5. Administrator Password is the main password when you install the Windows XP. If no main password then press enter.

6. As you can see the "C:\WINDOWS>" This is where we type the DOS COMMAND PARAMETERS....

7. Now we have to make a backup of the file you wrote in the system folder. Type this command parameters;

CD C:\WINDOWS\SYSTEM32\

press enter

RENAME NTDLL.dll NTDLL.orig (change NTDLL.dll to the name of file you wrote)

press enter

8. Then copy the NTDLL.dll from C:\WINDOWS\SERVICEPACKFILES\I386\ to the system folder with the right command parameters:

CD C:\WINDOWS\SERVICEPACKFILES\I386\

press enter

COPY NTDLL.dll C:\WINDOWS\SYSTEM32\

press enter

To restart the computer type EXIT then press enter....enjoy