True...... If only there was some way that I could play "Age of Empires 2" without having the weird colours.

Check the configuration file (start->programs->dosbox-0.73->configuration->edit configuration) and look what the value for "output" is set to. If this is "surface", try something like "ddraw". Surface mode has problems in full-screen mode in Windows Vista. Well thanks for the support. I tried …

I got a problem with the colour when I put it on full-screen. When I press alt + enter, I go into a full-screen mode, but when I go and play the game, I wait until I play a game, and then the screen has some weird colours. I have an Nvidia Geforce 9800 GT graphics card (that includes directx 10), …