Windows 10 Problems with folders

Sorry we couldn't figure it out. If you can do the procmon capture that might point out the issue. See my earlier post if you want to do that.
 
I don't see any events pertaining to Folder or Directory shell. Did you make sure to run procmon and capture, then double a folder, then stop the capture?
 
Yeah that would be it. Something I'm not seeing is your computer isn't even trying to query HKCR\Folder\shell\open\command this is what opens the folders. It's not really apparent from the capture why it's not attempting to open that key. Can you create a new local account, login and see if that new account can open folders. That will at least narrow it down to a user specific issue.


I would also try booting into safe mode with your main account and see if you can open folders. It's possible malware is causing the problem.
 
I tried a new account and Safe Mode. I get this exact same error message.

Error Message.png
 
TerryLP,

Here are all of the important basic folder mechanics in the registry, see if your data matches:

Code:
[HKEY_CLASSES_ROOT\Folder]
@="Folder"
"ContentViewModeForBrowse"="prop:~System.ItemNameDisplay;~System.LayoutPattern.PlaceHolder;~System.LayoutPattern.PlaceHolder;~System.LayoutPattern.PlaceHolder;System.DateModified"
"ContentViewModeForSearch"="prop:~System.ItemNameDisplay;System.DateModified;~System.ItemFolderPathDisplay"
"ContentViewModeLayoutPatternForBrowse"="delta"
"ContentViewModeLayoutPatternForSearch"="alpha"
"EditFlags"=hex:d2,03,00,00
"FullDetails"="prop:System.PropGroup.Description;System.ItemNameDisplay;System.ItemTypeText;System.Size;System.HomeGroupSharingStatus"
"NoRecentDocs"=""
"ThumbnailCutoff"=dword:00000000
"TileInfo"="prop:System.Title;System.HomeGroupSharingStatus"

[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]
"LaunchExplorerFlags"=dword:00000018
"MultiSelectModel"="Document"
"ProgrammaticAccessOnly"=""

[HKEY_CLASSES_ROOT\Folder\shell\explore\command]
"DelegateExecute"="{11dbb47c-a525-400b-9e80-a54615a090c0}"

[HKEY_CLASSES_ROOT\Folder\shell\open]
"MultiSelectModel"="Document"

[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,\
  65,00,00,00
"DelegateExecute"="{11dbb47c-a525-400b-9e80-a54615a090c0}"

[HKEY_CLASSES_ROOT\Folder\shell\opennewprocess]
"ExplorerHost"="{ceff45ee-c862-41de-aee2-a022c81eda92}"
"Extended"=""
"LaunchExplorerFlags"=dword:00000003
"MUIVerb"="@shell32.dll,-8518"
"MultiSelectModel"="Document"

[HKEY_CLASSES_ROOT\Folder\shell\opennewprocess\command]
"DelegateExecute"="{11dbb47c-a525-400b-9e80-a54615a090c0}"

[HKEY_CLASSES_ROOT\Folder\shell\opennewwindow]
"LaunchExplorerFlags"=dword:00000001
"MUIVerb"="@windows.storage.dll,-8517"
"MultiSelectModel"="Document"
"OnlyInBrowserWindow"=""

[HKEY_CLASSES_ROOT\Folder\shell\opennewwindow\command]
"DelegateExecute"="{11dbb47c-a525-400b-9e80-a54615a090c0}"

[HKEY_CLASSES_ROOT\Folder\shell\pintohome]
"AppliesTo"="System.ParsingName:<>\"::{679f85cb-0220-4080-b29b-5540cc05aab6}\" AND System.ParsingName:<>\"::{645FF040-5081-101B-9F08-00AA002F954E}\" AND System.IsFolder:=System.StructuredQueryType.Boolean#True"
"MUIVerb"="@shell32.dll,-51377"

[HKEY_CLASSES_ROOT\Folder\shell\pintohome\command]
"DelegateExecute"="{b455f46e-e4af-4035-b0a4-cf18d2f6f28e}"

[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\Library Location]
@="{3dad6c5d-2167-4cae-9914-f99e41c12cfa}"

[HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\Offline Files]
@="{474C98EE-CF3D-41f5-80E3-4AAB0AB04301}"

[HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\PintoStartScreen]
@="{470C0EBD-5D73-4d58-9CED-E91E22E23282}"

[HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\StartMenuExt]
@="{E595F05F-903F-4318-8B0A-7F633B520D2B}"

[HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\{a2a9545d-a0c2-42b4-9708-a0b2badd77c8}]
@="Start Menu Pin"

[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\FCI Properties]
@="{748F920F-FB24-4D09-B360-BAF6F199AD6D}"

[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"=""

[HKEY_CLASSES_ROOT\Folder\shell\opennewwindow]
"LaunchExplorerFlags"=dword:00000001
"MUIVerb"="@windows.storage.dll,-8517"
"MultiSelectModel"="Document"
"OnlyInBrowserWindow"=""

[HKEY_CLASSES_ROOT\Folder\shell\opennewwindow\command]
"DelegateExecute"="{11dbb47c-a525-400b-9e80-a54615a090c0}"
 
I went through the registry items listed above. There is one folder that is not in my registry.

[HKEY_CLASSES_ROOT\Folder\Shellex\ContextMenuHandlers\StartMenuExt}

The StartMenuExt does not exist. (See screen grab below) Do you think that this might be the issue?
Regedit Files.png
 
TerryLP,

Woops that's probably my Classic Shell installation, so no it's not the issue. I tried to edit anything out that was non-ms and I missed that bit.
 
Have you tried running sfc /scannow as administrator yet?
 
Run a Command Prompt as administrator, then execute "sfc /scannow" and let it run.
 
TerryLP,

Download Process Monitor and set it to monitor Explorer only (see attached photo), then quickly launch it and double click a folder to open, then stop the monitoring process by hitting CTRL+E in Process Monitor, save the log and upload it here and maybe we'll get a clue as to what's going on.
 

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