Desktop Background Disabled

Many times malware will hijack a computer and block certain changes from being made. One of the more common hijacks is the Desktop Background. Many times the malware program will put a "virus alert" message and prevent you from changing it back. To attempt to change the Desktop Background do the following:

Right Click On Desktop > Click Properties > Click Background Tab

If there is no Background Tab on the Display Properties windows then follow this guide:

Display Properties Desktop Tab Missing


Once in the Background Tab if you are unable to click on any of the wallpapers and it looks like this:




Steps:

1) Click the Start Button
2) Click the Run Command
3) In the Run Command Windows type "regedt32"
4) Navigate to each of the following areas and change the value as listed:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\ CurrentVersion\Policies\ActiveDesktop]



Set the Value for "NoChangingWallPaper" to "Zero"



5) Restart the computer
6) You should now be able to change your desktop background

Recommended Tools:
-Try this tool to automatically perform the task: