Have never used or seen the product. These links may help.
Their main web page is at
http://www.adobe.com/products/premiere/main.html
You may find the Adobe user to user groups helpful
http://www.adobeforums.com/cgi-bin/webx?14@@.1de9c1bf
or their customer support at
http://www.adobe.com/support/products/premiere.html
Message: Adobe Premiere Pro could not find any valid editing modes. Please reinstall Adobe Premiere Pro and start again.
Reinstalled it. Still doesn't fix the problem. I own the CD, and it was working before, I don't know what's up and what may have caused this to happen. Please help. Thnx ^_^