rojash ,,,,thanks for responding to my question about losing desktop background ,, but I cant get to the file manager..after holding down alt/ control and hitting delete box says ---task manager is disabled by administrator---,, guess you can tell I am not an expert on computers.. ,, if you have the patience would like your input.. thanks again shellman38
Right click the desktop
->properties
->desktop tab
->customize desktop button
->web tab
->highlight the entry and click delete
->click OK
->back to desktop tab
->choose your background.