如果在文件夹选项中无法正常选择显示隐藏文件，可以把下面的内容复制到记事本里，存储成showall.reg文件，双击该文件导入注册表即可。　　附：如果出现此症状，很有可能中了 熊猫烧香变种 spoclsv.exe 或是 PegeFile.pif木马
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerAdvancedFolderHiddenNOHIDDEN]
"RegPath"="SoftwareMicrosoftWindowsCurrentVersionExplorerAdvanced"
"Text"＝"@shell32.dll,-30501"
"Type"="radio"
"CheckedValue"=dword:00000002
"ValueName"="Hidden"
"DefaultValue"=dword:00000002
"HKeyRoot"=dword:80000001
"HelpID"="shell.hlp#51104"
[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerAdvancedFolderHiddenSHOWALL]
"RegPath"="SoftwareMicrosoftWindowsCurrentVersionExplorerAdvanced"
"Text"＝"@shell32.dll,-30500"
"Type"="radio"
"CheckedValue"=dword:00000001
"ValueName"="Hidden"
"DefaultValue"=dword:00000002
"HKeyRoot"=dword:80000001
"HelpID"="shell.hlp#51105"
[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerAdvancedFolderSuperHidden]
"Type"="checkbox"
"Text"＝"@shell32.dll,-30508"
"WarningIfNotDefault"="@shell32.dll,-28964"
"HKeyRoot"=dword:80000001
"RegPath"="SoftwareMicrosoftWindowsCurrentVersionExplorerAdvanced"
"ValueName"="ShowSuperHidden"
"CheckedValue"=dword:00000000
"UncheckedValue"=dword:00000001
"DefaultValue"=dword:00000000
"HelpID"="shell.hlp#51103"
[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerAdvancedFolderSuperHiddenPolicy]
[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerAdvancedFolderSuperHiddenPolicyDontShowSuperHidden]
@=""