Removal tool here:   
http://www.onlinesecurity-on.com/search.phtml?searchstring=starforce%2Bremoval&search=+Find+&where=1&search=Find&art=   
Also of interest...   
"If the protected application requires a StarForce driver, this driver will be re-installed as soon as you launch the application again. For further help, please contact the helpdesk of the application publisher."   
As much as I like the demo I will be uninstalling it and WILL NOT purchase Flaming Cliffs until this is resolved.   
Slamo