Disable to the Current user account (with password) and open with another user account (eg. Administrator Account)

- Open to your computer with safe mode.
- Open to the control panel and open to the administrative tool
- Open to the computer management and click to the " local users and groups " from the left panel and choose to the "user".
- Right click on the current account and choose to the " properties " and mark to the " Account disable " and then,
- Restart to your computer with normal window.
- your computer must be open with administrator account.....
note : That can do If you you want to open to another machine without known by owner. So, You don't forget when you finish your works, you must be unmark to the " Account disable "
OK........