ERROR w/ nolimts...pleasse help

when opening the simulator, i get a message "no suitable fullscreen mode found!" anyone know whats wrong, this just started happening after downloading the spinning coaster by nastico

sry, problem was fixed, thanks for your help everyone..... ... ... ... lol

after an hour and a half of trying things, put up thread, 5 min. later, problem solved., so much for thread...... lol, sry