A computerized user interface for assisting a computer user selects a default operating system for a computer. The computerized interface operates during a current computing session and provides a list of operating systems available. A user can make a selection using standard activatible controls such as icons, alphanumeric lists and highlighting. Once selected, an operating becomes the default operating system software on the computer. Therefore, during the next startup of the computer a selected operating system will boot unless there is some other intervention. In addition to selecting an operating system, this invention can also be used to cause the computer to restart. Restart can be set to execute immediately or to execute upon a change in the default operating system. In addition this invention can be caused to uninstall thereby erasing the program files relating to this invention.