下面是修复方法：
新建一个文本文档，复制代码粘贴后，另存为.inf文件：
[Version]Signature='$Chicago$'[DefaultInstall]DelReg=Delete[Delete]HKEY_CURRENT_USER,'Software\Policies\Microsoft\MMC','RestrictToPermittedSnapins'[Delete]HKEY_CURRENT_USER,'Software\Policies\Microsoft\MMC\{8FC0B734-A0E1-11D1-A7D3-0000F87571E3}','Restrict_Run'[Delete]HKEY_CURRENT_USER,'Software\Microsoft\Windows\CurrentVersion\Policies\System','DisableRegistryTools'
