这是注册表被病毒修改所致，请先杀毒。 一、症状轻的可以点开始--运行-- regedit展开到HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL] 改CheckedValue"为1，按F5刷新，再进文件夹选项即可设置; 二、严重的必须修复整个hidden项，按照以下步骤： 将以下内容保存为.reg文件(如"hidden.reg"),双击导入注册表重启系统或结束explorer再重新运行之即可. Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden] "Text"="@shell32.dll,-30499" "Type"="group" "Bitmap"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,\ 00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,53,00,\ 48,00,45,00,4c,00,4c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,34,00,00,\ 00 "HelpID"="shell.hlp#51131" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\NOHIDDEN] "RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced" "Text"="@shell32.dll,-30501" "Type"="radio" "CheckedValue"=dword:00000002 "ValueName"="Hidden" "DefaultValue"=dword:00000002 "HKeyRoot"=dword:80000001 "HelpID"="shell.hlp#51104" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL] "RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced" "Text"="@shell32.dll,-30500" "Type"="radio" "CheckedValue"=dword:00000001 "ValueName"="Hidden" "DefaultValue"=dword:00000002 "HKeyRoot"=dword:80000001 "HelpID"="shell.hlp#51105"

我有明基 NASA探索者的问题要问