EndNote Web won't install

I had ENW installed and running.  Then (so I’m stupid) tried the IE 9 beta).  I couldn’t get ENW installed, and kept getting the error in the pic.  So I uninstalled IE9 and went back to IE8.  After uninstalling it when I went to re-install ENW, I still got – and get – the same error.

Is there a way to fix this?

Regards,

Chuck Billow
EndNote Error.jpg