desktop background dimensions change

I'm asking friends to run my B+ game on their computers.
One friend has a laptop, uncertain of the specs, its pretty new, P4 I think.
The game runs fairly well, but on quit, the jpeg that is being used as a desktop wallpaper for the laptop now has dimensions of 640*480, which is the game resolution. It resets to the proper dimensions of 1024*768 on restart.

I wonder if anyone knows why this is happening?

The game runs fullscreen: Graphics 640,480,0,0

cheers

I had some desktop wallpaper problem as well, on a laptop too! I was playing around with WritePixel, some of the pixels where drawn outside of the target ImageBuffer and apparently they were placed on the wallpaper instead lol.

Presumably, Blitz works directly to the desktop files, which is kind of dangerous...

I suppose the answer is to use blitz to do a screengrab of the desktop, then just use that for everything.

Interesting though, It may be possible to make one to write swear words to thier desktop :D [Evil Laugh]

I'm not intentionally writing anything to the desktop, the desktop is unchanged except the wallpaper has different dimensions ;)

its just not tidy to leave someone's pc with their wallpaper different ;)