wallpaper trouble

for some reason my wallpaper keeps getting switched to “center” from “stretch” on its own..does anybody know what does this?
i have windows xp MCE 2005, SP3 RC
Answer #1
ehmm…whats the size?
Answer #2
Dou you have Active Desktop enabled?
Try disabling it.
Answer #3
i dont have it enabled…i have a widescreen computer tho..and the wallpaper keeps goin back to 4:3 ratio i think…not sure why