Ok, here is my problem:

My father got a Tablet PC (runing WinXP Pro SP 1) a while back and I did all the set up for it, however latter his work onfigured it to do all the things that Compaq wants it to do by putting a load of crap on it. Anyways, while I was trying to remove all of that stuff since he has no need of those things anymore, I changed it from logging into a Domain to my Workgroup instead, wasn't really nessicary probily, but I wanted it that way anyways. And so low and behold next time I restart it when the login screen comes up, there is no more Domain login option, but, I can't login now. Period. I assume the name and password were configured to the domain so its not working without it. And since the administrator password was changed also, I can't log on to undo/fix my problem.

Nothing I've tryed has done anything of use yet, I've used all the option on F8 while booting up, but none of them do anything other take me to the login screen eventually where I can't do anything. I've tryed a few other things but none of them are working either. I also can't locate the recovery CD or I would have just gone that route by this time, but I don't have it. All I have is a Tablet paperrweight and my computer to try to fix this issue.

So if anyone knows of a way to reverse this Horror I've brought apon myself or a way to undo it, I would be thankful.

try these
unable to log into xp lost passwords rtc.
/t74062-Windows_Login_Problem_Administrator_Password.html
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for finding xp pass words.
http://www.pcqanda.com/dc/dcboard.php?az=show_topic&forum=2&topic_id=301342

forgot password to my XP windows
http://www.pcqanda.com/dc/dcboard.php?az=show_topic&forum=2&topic_id=314319&mode=full&page=3

Thanks !