How to fix missing icons in the taskbar and start menu?
28101
How to fix broken taskbar icons in Windows 7
74415
How can I fix program icons that appear as a question mark in the Launcher?
98286
Location of Keyboard Icons?
112949
Items unpinned from taskbar are back after restart/sign out on Windows 10
32954
What desktop environments can group window icons in the taskbar like Windows 7?
153427
Panel icons disappear at startup
2448
Accidentally deleted icons in /usr/share, how do I get them back?
107817
What is the Ubuntu equivalent of the Windows Start Menu?
3559
taskbar icon preview (and Alt+Tab icon preview) disappears quickly
136375
Some Windows 10 UWP icons not displaying on search, or in settings
20714
How to change app icons in Windows 10
32529
Missing letters in menus and folder names
93991
Restore Missing "Settings" (gnome-control-center) Icon in Ubuntu 18.04
72572
How do I add a new program to the Start Menu?
46105
System tray icons disappeared after upgrading Ubuntu
32933
Icon missing when application is launched
143171
Icons of Meta.SE and Stack Apps have gone missing