SP4 Upgrade

[jim]

trying to install sp4 - error during install because
c:\winnt\system32\tftp.exe is in use by another
application even though nothing else is running. Anybody
seen this?

 

[schmitty]

Have not seen that file explicitly, but the same error
with file mscpxl32.dll. Can't get past it. Stopped all
services, tried in safe mode. No luck...