Some users have recently reported that they encounter abnormal behavior when they start the Windows 10 operating system.
There are cases when the Windows 10 taskbar logo become invisible, reappear randomly or go missing.
If you are facing this issue, then you need to go through with this article to fix this issue.Source- https://canorton.uk.net/fix-taskbar-icons-are-blank-invisible-or-missing-in-windows-10/How to solve Taskbar Icon Invisible IssueRestart File ExplorerClear Icon cacheRepining and Remove Taskbar iconsTurn off Tablet ModeTroubleshoot in Clean Boot StateUpdating Display DriverUsing File Association Fixer to fix JPG/PNG associationsRepair System Run SFC & Image using FixWin.1) Restart File ExplorerYou need to restart the explorer.exe process and then view if they help you.
You need to launch the Task Manager for this situation.2) Clear Icon cacheYou can manually clear the icon, or you can also use the freeware “Thumbnail and Icon Cache Rebuilder” with a simple click.3) Repining and Removing Taskbar IconsUnpin or remove all the taskbar icon, and then you need to add this again freshly.
After this process, you need to check the issue is resolved; if not, then follow another troubleshot that is given below.4) Turn off Tablet ModeIf you are using Tablet mode on your device, then you need to turn off the Tablet Mode.
Here all the open application does not rest on the taskbar.5) Troubleshoot in Clean Boot StateClean-boot troubleshoot is constructing to separate a performance issue.