I have had real flight classic for a while and never had a problem but i got the upgrade for g2 the other day and now neither will work every time i try to install them I get an error message that install shield has encountered a problem. Or the program will install but when i try to run the program I get an error that says something about there being a problem with the knifeedge control panel and it shuts down. has anyone ever had this problem and know how to fix very aggravating. any help or suggestions would be great.