Win7 for wallpaper has an internal error solution

  
First, open a folder (such as: computer), point organization;
Second, point folder and search options;
Third, click the view tab in the middle of the small window, remove the hidden protected system files, and then Check Show hidden files, folders and drives, OK;
Open C: User name AppDataRoamingMicrosoftWindowsThemes, delete all the files inside, and then change a theme application, then change a wallpaper test Try;
5, and then hide the system files in the same way.

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