if you want to enter the window without passwd try this
this trick work fine in window2000 pro
in xp it sometimes work
goto
gpedit.msc
computer 
configuration->windowssettings->scriptt(startup/shutdown)
press enter
click startup
you will get a form
enter explorer.exe
and click add
and restart
when restarting back it wont ask passwd and login in to 
default user will all administrator privilages
oldest of all trick... 
 
			 
               
			 
               
							