- xp sp2 with all the latest patches from windows update
- thorough AV scan is clean
- complete anti malware / spyware is clean
- chkdsk c: /f /r is clean
- rebooting makes no difference
- no event log errors

The problem is that when I do a system state backup, it gets to the
c:\windows\system32\drivers\rootmdm.sys file and then crashes. (The
error is the one where it says that the app has had a problem and it
sends a report to Microsoft.) Because of this, I am unable to do a
system state backup at present. Apart from this, all is well with the
PC.

Any ideas?
TIA
Mark