The positive side: a certain protection against unauthorized use of the PC and unauthorized access to your private data (if you've put a password on your account).

If you don't like it, turn it off:
http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/ua_logon_at_welcome_page_w.mspx?mfr=true
http://www.computerhope.com/issues/ch000537.htm
http://www.mvps.org/marksxp/WindowsXP/welskip.php

But, frankly speaking, I don't see any relation to a 'driver fault'. You might have another problem.

Hope this helps.


Kees