Enter wins + r to open the command manager, enter gpedit.msc to display the solution that this folder does not exist:
1. Create a new txt file on the desktop
2. Open the txt file and copy the following code:
@echo off
pushd "%~dp0"
dir /b C:\Windows\servicing\Packages\Microsoft-Windows-GroupPolicy-ClientExtensions-Package~3*.mum >List.txt
dir /b C:\Windows\servicing\Packages\Microsoft-Windows-GroupPolicy-ClientTools-Package~3*.mum >>List.txt
for /f %%i in ('findstr /i . List.txt 2^>nul') do dism /online /norestart /add-package:"C:\Windows\servicing\Packages\%%i"
pause
3. Change the txt file to 
4. Run the file as an administrator: It
will be OK when it is displayed!
5. Enter cmd and re-enter the gpedit.msc command, then you can open the local group policy editor! Until this problem is solved !
