Try system restore. Or post in the MS newsgroups.
Use this to check your system:
http://www.sysinternals.com/Utilities/Autoruns.html
And check this key: HKLM\software\microsoft\windows NT\currentversion\winlogon
At 12/17/2007 2:38:31 PM the text below was copied from the web document
[SOLVED] Explorer Wont Load On Startup - Tech Support Forum
http://64.233.169.104/search?q=cache...nk&cd=10&gl=us
Captured Text Selection:
Boot on the XP CD (set the boot device priority to CD-rom first in the BIOS) and press 'R' to access the recovery console. There type chkdsk /F /R to scan the hard drive for errors.
Once that's done retry to boot into safe mode without networking (it's not very safe to boot in normal or safe mode with networking if your antivirus and firewall are not loaded).
If the task bar and icons are still missing then go to the task manager (press ctrl+alt+del) => file => new task => sfc /scannow (don't forget the space after sfc). This should run the system file checker which will replace possible missing or corrupt system files with a good copy. Insert the XP CD if prompted to do so and don't do anything else while the scan is running.
If that doesn't work or if sfc fails to run then we'll try a repair install.
For SFC and the repair install to work properly on your computer it's advised that you use an XP Pro SP2 CD. If your CD has an older version of XP Pro then create a slipstreamed CD with service pack 2 using another computer and use that CD when running SFC or trying the repair install. Use one of these guides:
http://www.helpwithwindows.com/Windo...p2-bootcd.html
http://www.winsupersite.com/showcase...slipstream.asp
(Damn I'm good)
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