本应该存在的“安全”选项卡消失
“Win+R” 输入 Regedit
Regedit
删除 Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoSecurityTab
Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoSecurityTab
重启