I have a few links for you to look at. You can boot from the Windows installation DVD and get to a command prompt.
This will show you how to remove a program using the Command Prompt. It works I tried it. Just remember to leave out the quotation marks, except around the name of the program. I’m going to add an attachment to help you.
http://www.ehow.com/how_5895636_uninstall-programs-using-command-prompt.html
Here are two more links"
http://www.sevenforums.com/tutorials/682-command-prompt-startup.html
http://www.sevenforums.com/tutorials/666-advanced-boot-options.html