Windows7右键新建无文件夹的选项，网上的解决办法大部分都无效。另，资源管理器里左上角的新建文件夹也是没有反应。

解决方法：

备份注册表，

把下面的粘贴到文本文件里，保存类型选所有文件，另存为1.reg,用管理员运行。 

问题解决。

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\CLSID\{11dbb47c-a525-400b-9e80-a54615a090c0}]

@="CLSID_ExecuteFolder"

[HKEY_CLASSES_ROOT\CLSID\{11dbb47c-a525-400b-9e80-a54615a090c0}\InProcServer32]

@="ExplorerFrame.dll"

"ThreadingModel"="Apartment"

[HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenuHandlers\New]

@="{D969A300-E7FF-11d0-A93B-00A0C90F2719}"

[HKEY_CLASSES_ROOT\Folder]

@="Folder"

"EditFlags"=hex:d2,03,00,00

"FullDetails"="prop:System.PropGroup.Description;System.ItemNameDisplay;System.ItemType;System.Size"

"ThumbnailCutoff"=dword:00000000

"TileInfo"="prop:System.Title;System.PropGroup.Description;System.ItemType"

[HKEY_CLASSES_ROOT\Folder\DefaultIcon]

@=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,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,00,68,00,\

  65,00,6c,00,6c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,33,00,00,00

[HKEY_CLASSES_ROOT\Folder\shell]

[HKEY_CLASSES_ROOT\Folder\shell\explore]

"MultiSelectModel"="Document"

"BrowserFlags"=dword:00000022

"ExplorerFlags"=dword:00000021

[HKEY_CLASSES_ROOT\Folder\shell\explore\command]

@=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,00,45,00,78,00,70,00,6c,00,6f,00,72,00,65,00,72,00,2e,00,65,00,78,00,\

  65,00,20,00,2f,00,73,00,65,00,70,00,61,00,72,00,61,00,74,00,65,00,2c,00,2f,\

  00,65,00,2c,00,2f,00,69,00,64,00,6c,00,69,00,73,00,74,00,2c,00,25,00,49,00,\

  2c,00,25,00,4c,00,00,00

"DelegateExecute"="{11dbb47c-a525-400b-9e80-a54615a090c0}"

[HKEY_CLASSES_ROOT\Folder\shell\open]

"MultiSelectModel"="Document"

"BrowserFlags"=dword:00000010

"ExplorerFlags"=dword:00000012

[HKEY_CLASSES_ROOT\Folder\shell\open\command]

@=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,00,45,00,78,00,70,00,6c,00,6f,00,72,00,65,00,72,00,2e,00,65,00,78,00,\

  65,00,20,00,2f,00,73,00,65,00,70,00,61,00,72,00,61,00,74,00,65,00,2c,00,2f,\

  00,69,00,64,00,6c,00,69,00,73,00,74,00,2c,00,25,00,49,00,2c,00,25,00,4c,00,\

  00,00

"DelegateExecute"="{11dbb47c-a525-400b-9e80-a54615a090c0}"

[HKEY_CLASSES_ROOT\Folder\shellex]

[HKEY_CLASSES_ROOT\Folder\shellex\ColumnHandlers]

[HKEY_CLASSES_ROOT\Folder\shellex\ColumnHandlers\{F9DB5320-233E-11D1-9F84-707F02C10627}]

@="PDF Column Info"

[HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers]

[HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\BriefcaseMenu]

@="{85BBD920-42A0-1069-A2E4-08002B30309D}"

[HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\Offline Files]

@="{474C98EE-CF3D-41f5-80E3-4AAB0AB04301}"

[HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\{a2a9545d-a0c2-42b4-9708-a0b2badd77c8}]

[HKEY_CLASSES_ROOT\Folder\shellex\DragDropHandlers]

[HKEY_CLASSES_ROOT\Folder\shellex\DragDropHandlers\{BD472F60-27FA-11cf-B8B4-444553540000}]

@=""

[HKEY_CLASSES_ROOT\Folder\shellex\PropertySheetHandlers]

[HKEY_CLASSES_ROOT\Folder\shellex\PropertySheetHandlers\BriefcasePage]

@="{85BBD920-42A0-1069-A2E4-08002B30309D}"

[HKEY_CLASSES_ROOT\Folder\shellex\PropertySheetHandlers\Offline Files]

@="{7EFA68C6-086B-43e1-A2D2-55A113531240}"

[HKEY_CLASSES_ROOT\Folder\ShellNew]

"Directory"=""

"IconPath"=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,00,73,\

  00,68,00,65,00,6c,00,6c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,33,00,\

  00,00

"ItemName"="@shell32.dll,-30396"

"MenuText"="@shell32.dll,-30317"

"NonLFNFileSpec"="@shell32.dll,-30319"

[HKEY_CLASSES_ROOT\Folder\ShellNew\Config]

"AllDrives"=""

"IsFolder"=""

"NoExtension"=""

Windows7 无法创建文件夹