windows相关
1、将辅助工具替换为cmd，shift+重启，疑难解答\高级\命令提示符（适用于密码进不去的情况）
move c:\windows\system32\utilman.exe c:\windows\system32\utilman.exe.bak
copy c:\windows\system32\cmd.exe c:\windows\system32\utilman.exe
修复后记得还原 move c:\windows\system32\utilman.exe.bak c:\windows\system32\utilman.exe
win10家庭版添加组策略
@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