To fix overlapping icons, turn on the ‘Align icons to grid’ settings. Right-click on your desktop and select View > Align icons to grid.
Change Display Resolution also helps.
Right click anywhere on the desktop and select Display Settings
Display Settings windows will pop-up, locate scale and layout
Change the value under scale and layout and check if the icons are still overlapping icons on your taskbar.
- Press
Ctrl + Shift + Esc
to open the Task Manager. - Under the "Processes" tab, find "Windows Explorer," right-click on it, and select "Restart."
If the icon on the taskbar is still not working, kindly follow the steps below.
Open the Windows PowerShell as administrator.
Type the command below and press enter after the command.
Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
Close the Windows PowerShell and restart the computer.
Check if the same issue appears.
You may also create a new user account if this account is corrupted.