windows 10开启系统还原灰色不可选的解决办法
Run CMD admin
reg delete "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\SystemRestore" /v "DisableSR" /f
reg delete "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\SystemRestore" /v "DisableConfig" /f
reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SPP\Clients" /v " {09F7EDC5-294E-4180-AF6A-FB0E6A0E9513}" /t REG_MULTI_SZ /d "1" /f