I don't understand how you could do this...haha....but if worse comes to worse.....you password is automatically set every 60 days to alert you and change it when you restart you computer...---unless you happened to change it in which case your screwed---....sry man....

Mmelby also had a really good point of having the Administrator change it for you....in that case all you would have to do is go on another computer and log on a different persons login name(if you don't have one you could make one)...and then do the usually---with XP its: Control Panel;Usar Accounts;then it depends on how you want to approach the situation....that's all the help I got for you....sry man