点开始的运行，输入regedit打开注册表
按下面修改
(1)定位到：HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
将："HideFileExt"=dword:00000001 改为："HideFileExt"=dword:00000000
(2)定位到：HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
删除："Net"="C:\\windows\\services.exe"
(3)定位到：HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
删除："Load"="C:\\windows\\assistse.exe"
