Why did my desktop background changed and why pictures were opened, if I did nothing to do so?
97610
How can I know if my macbook is hacked?
87725
Question history attributed changes to me that I didn't make
90508
Problems after upgrading to 14.04 (only background and pointer after login)
157820
How To Set Default Wallpaper As Login Screen Wallpaper [Automatically]?
122334
I can't see my background image in the 3D view
86861
How to fix icons and text in programs that suddenly enlarged, on Windows 8.1?
98583
Set desktop background
46973
Cannot change login screen background in 18.10
49901
Windows 8.1 start screen backgrounds file location
90362
Where did my default brushes go?
37769
Background reflected in glossy glass, but I didn't set it
16199
Cannot change lock screen background on Ubuntu 18.04
158539
Strange coloured border appearing around windows
65726
Can changing desktops environments affect my programs/personal data?
60483
Ubuntu Software gets into a transparent background
129952
How can I remove "Show Desktop" from the Alt-Tab (application) switcher?
34510
Grub Customizer doesn't change image background