A friend of mine is having a problem where he has closed a window yet the highlight of the close button is still on desktop. it wont even go after a restart
refreshing desktop didnt work, restarting doesnt work, changing wallpaper doesnt help, done virus scans and stuff.. nothing, yet full screen apps and task manager go on top of it.
Any help?

refreshing desktop didnt work, restarting doesnt work, changing wallpaper doesnt help, done virus scans and stuff.. nothing, yet full screen apps and task manager go on top of it.

Any help?
