Change or reset the any Administrator Password using a limited or guest account...

This trick is simple and only works for earlier versions of windows...

1. Right click on My computer in the Desktop...
2. Expand "Local Users and Groups", then click on users
3. Right click on a Administrator account, then click set password...
5. Enter a new password then you're all done!!!

Unlike Vista and Windows 7, WinXP will not require you to have administrative privileges to access comMnagt file in the c: drive...