Lost Desktop tab in properties window

[Celeste]

We have lost the desktop tab in the display properties window. It is only
this way on one of the users, the other user is fine. Can anyone help?
Thanks

 

[Detlev Dreyer]

We have lost the desktop tab in the display properties window. It is only
this way on one of the users, the other user is fine. Can anyone help?

http://www.google.com/search?&q=desktop+tab+missing+virus