Sometimes windows 10 taskbar failed to draw the application icon. ie4uinit.exe can fix it. Create the following batch file and run it.
REM @echo off set "UTIL=%SystemRoot%\System32\ie4uinit.exe" IF NOT EXIST %UTIL% ( set "UTIL=%SystemRoot%\Sysnative\ie4uinit.exe" ) %UTIL% -ClearIconCache %UTIL% -show |