[Full-Disclosure] XP hangs on startup - no safemode options help !

[Billy Bob]

I have noticed in the past couple of weeks that my XP Professional system 
and many friends XP Pro systems are hanging on startup.  I have tried 
safemode and each system hangs on a different driver. For example one system 
hung on \Windows\AppPatch\drvmain.sdb and another hung on 
\Windows\system32\drivers\mup.sys.

I have also tried all other safemode options, including Last Known Good 
Configuration which only worked on one system.

All systems are up to date with Windows critical updates but no service 
packs are installed.  All machines are also running Norton AV 2003 with up 
to date definitions.


I think that a recent Microsoft patch or malware of some kind may be causing 
this.
Has anyone else had similar problems ?
Any ideas?

Thanks in advance
Bill

_________________________________________________________________
Designer Mail isn't just fun to send, it's fun to receive. Use special 
stationery, fonts and colors. 
http://join.msn.com/?pgmarket=en-ca&page=byoa/prem&xAPID=1994&DI=1034&SU=http://hotmail.com/enca&HL=Market_MSNIS_Taglines 
  Start enjoying all the benefits of MSN® Premium right now and get the 
first two months FREE*.