找到 HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\Advanced\Folder\Hidden\SHOWALL分支，显示

针对这种情况可以把下面内容存储成ShowALl.reg文件,和文双击该文件导入注册表即可

Windows Registry Editor Version 5.00

[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"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden]
"Type"="checkbox"
"Text"="@shell32.dll,-30508"
"WarningIfNotDefault"="@shell32.dll,-28964"
"HKeyRoot"=dword:80000001
"RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced"
"ValueName"="ShowSuperHidden"
"CheckedValue"=dword:00000000
"UncheckedValue"=dword:00000001
"DefaultValue"=dword:00000000
"HelpID"="shell.hlp#51103"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden\Policy]

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden\Policy\DontShowSuperHidden]
@=""
 
具体操作方法：
1）通过记事本新建一个文件
02）将以上内容复制到新建的记事本文件中
03）通过记事本文件菜单另存为show.reg
4）双击存储的showall.reg文件，在文件夹选项中设置显示所有文件和文件。解决件夹

如果你设置仍起不了作用，无法文件但按确定后，显示自己恢复到"不显示隐藏的文件和文件夹“。再回文件夹选项看，点击弹出的对话框是按钮即可。该键值应为1.如果值不为1,改为1即可。将文件夹选项中选成“显示所有文件和文件夹”，iTunes无法识别的修复