@Container said:
@Megalomaniak said:
How did you create the .ico file, what icon resolutions are in it?
256 x 256 px
I'd make sure it also includes 16x16, 32x32, 48x48. I might recall wrong but I think these might have been required for backwards compatibility reasons.
edit: looking at the wikipedia article for the file format apparently windows should be able to dowscale from 256 by itself since XP tho.