Go to http://www.aerofly.de/ and have a look under "requirements" to see if your computer has what it takes. Graphic cards on laptops can be a pain in the...
I bought AFP with the interface cable for my stationary computer running Windows XP and have had no problems. The Tx used is an old JR 388s.
I really like this simulator but was a little dissapointed with the selection of aircraft included. There is a good selection of big aeroplanes but very little in the .40 - .90 size (perhaps they are included in the expansion pack ?!)

/Red B.