去掉开始菜单中的关机项，注销项，应该从注册表中怎么修改
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reg add hkcu\software\microsoft\windows\currentversion\policies\explorer /v noclose /t reg_dword /d 1 /f
reg add hkcu\software\microsoft\windows\currentversion\policies\explorer /v startmenulogoff /t reg_dword /d 1 /f