Permanently remove IE from the taskbar

To permanently remove Internet Explorer from the taskbar in Windows 10, edit the file

%LOCALAPPDATA%\Microsoft\Windows\Shell\LayoutModification.xml

Remove the following line from the file.

<taskbar:DesktopApp DesktopApplicationLinkPath="%APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Internet Explorer.lnk" />