You are unable to set your desktop wallpaper to a picture. You can access the Desktop settings in Display Properties, but the Background list is disabled. If you right-click a picture and select Set as Desktop Background, nothing happens.
This problem often occurs after a virus or spyware maliciously changes Windows security settings.
Solution
Method
This describes how to manually perform the same actions carried out by the file downloaded above.
* Click Start, Run and enter regedit
* Expand HKEY_CURRENT_USER\Software\Microsoft\Windows\ CurrentVersion\Policies
* If folder Policies contains a folder named ActiveDesktop, select and delete it.
* Expand HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ Windows\CurrentVersion\Policies
* If folder Policies contains a folder named ActiveDesktop, select and delete it.
Applies to
* Microsoft Windows XP
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Cannot change desktop wallpaper
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