Hi rdougo,
GrimeFighter, since it does a very thorough scan and clean of your PC, takes a defensive attitude toward making any changes that might negatively affect the operation of your PC. When it recognizes something that might not fit that standard "profile" of a PC, it aborts.
In this case I think the best option for you is to request a refund.
Just one additional point, we will be adding a function to the initial scan for grime we do which also check the hardware profile on the PC, again taking a defensive posture. If we find anything during that check then we won't even offer GrimeFighter for purchase.
This function will be rolled out in late January. This should help put a stop to the issue as it stands now, where users purchase the product only to find out it won't work on their PC. We realize this creates a poor user experience and definitely apologize to you for that.