No "New Folder" button in windows 7
Solution 1:
First, please use System File Checker tool to troubleshoot this issue.
If the issue persists, import the following registry key and see if the issue can be resolved.
First, please refer to this knowledge base (KB) article to back up the registry key. After backing up the registry, please follow the steps below to import the registry:
1. Click Start, type Notepad in the Search bar and pres ENTER.
2. Copy the following commands and then paste them into the open Notepad window.
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"=""
3. After pasting the above commands, please click File on the menu and click Save.
4. Type in NewFolder.reg as the file name, select to save the file on the Desktop. Click Save.
5. Go to the Desktop, and double click NewFolder.reg. A dialog box will pop-up saying "Are you sure you want to add the information in fix.reg to the registry?". Click Yes to confirm.
Just ignore the "key cannot be written" error when running the NewFolder.reg file if it persist and try to create new folder.
Note: Administrative privileges are required to perform the above steps. Please click "Continue" when the User Account Control dialog-box appears.
All information is provided above from Technet.