Windows 10: Wallpaper changed on its own, virus?

I was at my computer with my desktop open and all of the sudden my desktop background changed from a Hollow Knight screenshot to a cat with a sombrero. I think this is a virus causing the problem, since it's been a recurring thing every few months. Anyone know what's going on? Any tips on how to diagnose?

Additional notes:

a) the picture is not saved on my PC

b) my background is on picture mode, not slideshow

c) Norton doesn't seem to care

submitted by /u/BbrDbr
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:)

 

unable to change the lock screen Wallpaper.

Hi,

I appreciate if you could answer few questions to narrow down to the issue.

• 
  What is the exact issue that you are facing?
  
• 
  Are you facing issues while trying to change the lock screen Wallpaper?
  
• 
  Are you not able to choose the directory where the wallpapers has been saved?
  

As an initial troubleshooting step, I suggest you to restart the computer and check if you are able to successfully change the lock screen wallpaper.

• 
  From Desktop, right click and select
  Personalize.
  
• 
  In Personalization window, click on
  Lock Screen in the left pane.
  
• 
  And choose wallpaper you would like to apply for the lock screen by choosing the browse option.
  
• 
  Close the Personalization window.
  

If the issue still persists, please do reply with the required information. We will be glad to assist you.

Thank you.

 

replace wallpaper by fake virus protection advertisement

some internet noob was browsing some unsafe tgps on an old classic computer 466mhz celeron.... and using IE..... pop ups everywhere... one of the pop ups ask ok or cancel to scan for virus..... and clicked cancel.... and infected.... wallpaper got replaced by some fake virus protecton advertisement.

scanning with AVG and TCspy in safe mode.

any furthur additional reccomenation or suggestion?

 

wallpaper not changing

recently I installed one wallpaper & uninstalled the same. then I try to apply custom wallpaper it doesn't changes still it's showing blank only,

suggest in a simple manner to resolve