If you have already Uninstalled your original attempt, and you cannot get it re-installed, here is one method that worked for one client.

Follow the instructions on this page: www.digidesign.com
Be EXTREMELY CAREFUL, as these instructions involve adjusting the registry. Deviating in any way from the printed instructions can cause serious operatinf system corruption, requiring a reinstallation of Windows.

If it still does not work, you will likely need to re-install windows. Creation Station owners can press F-11 on boot to use the Acronis Restore utility.