Hi
The problem could be a problematic third party context menu handler
Quote from answer reply of following thread
http://answers.microsoft.com/en-us/windows/forum/windows8_1-files/windows-explorer-in-widows-81-crash-on-right-click/332e606f-1aa4-4a81-9556-51c9c66c1663
“First, isolate the problem. Observe when the problem occurs. While right-clicking a particular file type? While right-clicking Folders? While right-clicking all file types? As said earlier, context menu handlers can load from any of these areas:
Registry Key
Description
HKCR \*\shellex\contextmenuhandlers Files
HKCR\AllFileSystemObjects\shellex\ contextmenuhandlers Files and file folders
HKCR\Folder\shellex\contextmenuhandlers Folders
HKCR\Directory\shellex\contextmenuhandlers File Folders
HKCR\<ProgID>\shellex\contextmenuhandlers File class
HKCR\Directory\Background\shellex\ContextMenuHandlers Desktop
If any of the symptoms occur when you deal with a folder, then you may need to inspect the context menu handlers loaded in these areas (AllFileSystemObjects, Folder, Directory). If it's only for a .txt file, inspect the file class of .txt file (HKCR\txtfile).
Open Registry Editor and backup the selected branch, delete the context menu handlers one-by-one.
Related article Manage the context-menu entries for folders, drives and Namespace objects”
Regards,
D. Wu
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