Possible Duplicate:
How to perform some action every time computer with Windows starts?
What's the best way to do it?
Possible Duplicate:
How to perform some action every time computer with Windows starts?
What's the best way to do it?
The easiest way is to put the app in your startup folder.
This is a little old, but it explains your options very well, and it still applies to the latest Windows offerings.
Your question is a little cryptic as to the exact reason of why but;
Have you looked into Windows Kiosk Mode?
http://helpdeskgeek.com/how-to/how-to-setup-windows-vista-and-7-as-a-kiosk/ http://www.softwaretipsandtricks.com/forum/windows-xp/8239-windows-xp-kiosk-mode.html