Hi felix33332
Have you tried run the shipsim as a administrator, right click on the icon and thous advance mark the box run as administrator and try compatibly mood vista or windows xp, can help
you can also try to uninstall and reinstall the game again, do not us auto but open the dvd and run the exe file as administrator turn of antivirus and see if it help, remember turn on antivirus when finish
Regards
Tore