I don’t know, you will just have to try it.

How did you rename the files? Did you do it from a Command Prompt? If so, see if the information in this link can help you.
http://www.techcorrespondent.com/2010/06/how-to-uninstall-programs-using-windows.html?_escaped_fragment_=#!

If I remember correctly, you can boot from the Windows installation disk to get to a command prompt.