Restart your computer and try again.
You may have left files from the Wallpaper apps on Windows. Some programs are not uninstalled completely.
Download and install Revo Uninstaller, and see if any Wallpaper apps appear hidden in the program.
- Use Revo Uninstaller to uninstall the program. See the link below:
https://www.revouninstaller.com/revo-uninstalle...
NOTE: This is not a Microsoft website, but it seems to provide accurate and secure information. Be aware of advertisements that may advertise products that are often classified as PUPs (Potentially Unwanted Products). Search for any product advertised on the site before deciding to download and install it.
- Download Revo and install it > Find the program you want and double-click on it > Click “Continue'' > Follow the steps of the program to uninstall it.
- Also look in Windows Apps.
- After uninstalling the program, go back to Revo > In Uninstall Mode, select ''Advanced'' > Click on ''Check”.
- Revo will look for any remnants of the program files and logs when it is uninstalled. Select all of them and delete them, then continue until you’re done > Restart your computer.
- If the problem persists, install both programs again and uninstall with Revo > Restart your computer > Try again.
Also perform a manual cleanup of Windows temporary files.
- Press the WINDOWS + R keys to open Run > Type "temp" (without quotes) > Select and delete all files in the Folder.
- Click "Continue" if it requires Administrator authorization.
- If some files cannot be deleted, check the "Do this for all current items" option > Click "Skip".
- Press the WINDOWS + R keys to open Run > Type "%temp%" (without quotes) > Select and delete all files in the Folder.
- Press the WINDOWS + R keys to open Run > Type "prefetch" (without quotes) > Select and delete all files in the Folder.
- Press WINDOWS + R keys to open Run > Type "%windir%\SoftwareDistribution\Download" (without quotes) > Select and delete all files in the Folder.
- Lastly, use Disk Cleanup > Press WINDOWS+ R keys > Type "cleanmgr" (without quotes) > Press ENTER.
- When you open the tool, Select the system disk > Click "Clean up system files" > Select the system disk again > Check all the boxes > Click "OK".