|From off, turn on the POS computer and begin tapping F8, should bring up the Advanced recovery options, choose safe mode. That should bring up the Administrator account and the owner account. If there is no password as it says you should be able to just hit enter and go into the admin account. Once logged into the admin account, you can go to the control panel, under users, and set password, etc.|
To err is human but to really screw things up, you need a computer!