Only a black screen in GS Viewer...why???????????

I´m going mad!!!! Now it works good to copy my app to the iPhone via GSViewer and the app is also listed under "recent games", but I do only see a black screen on the iphone!!! What´s going wrong????
Help pleeaasee
Help pleeaasee
Comments
Try to turn off your firewall security. It works with me and Now I can see my game.