Black Wallpaper unable to change (Found solution)

Ok so for weeks i was unable to change my background, it turns out that for some reason my Windows 7 product key was expired and my Windows 7 Professional no longer genuine. :cry: I followed this guide here Fix This copy of windows is not genuine 2015 (http://ift.tt/18KBEn4) to solve my issue, executing the command *SLMGR_REARM * which removed the "this...



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