Bitmap behaviour on form

[marathonlady]

I have a form with command buttons with bitmap pictures. On my PC the form and buttons are displayed properly, but on one of my user's machines the icons with bitmap pictures are weird looking
with lines through them and different colors appearing. What could it be? The buttons are working properly for the user but look weird.

Any help would be appreciated!

 

[Fornatian]

Does this occur on ALL users PC's?
Is it only 1 PC it happens on?

My first thought would be to check the colo(u)r settings on the users PC to make sure they are the same. If your settings are higher spec then this may be the cause - the PC will color match to the nearest.

Also, is your screen size bigger than your users? Could the pictures look funny because they are compacted to fit a smaller screen?