That looks like the file ntdll.dll was corrupted or was not properly replaced
when you update to sp2.
M$ article on that subject.
STOP: 0xC0000221 unknown hard error
C:\Winnt\System32\Ntdll.dll (or another specific file or driver)
http://support.microsoft.com/default...b;EN-US;314474
"I wound up restarting in safe mode &
going back to earlier config."
From where ? in safe mode or the advanced startup options menu
last known config.?
..
"Donna" wrote:
> I received the message STOP: c0000221 unknown hard
> error\systemroot\system32\ntdll.dll I wound up restarting in safe mode &
> going back to earlier config. Now I'm once bitten twice shy about trying to
> install it again. Any suggestions?