Shell Problems Shell Menus ShellExView Utility NirSoft Utilities
ShellEx_100.dll - Explorer crashes when you right-click on a folder.

I have ordered first by date of modification, and second by type. The I looked forward "Context Menu" extensions and deactivated the more recently aplication installed (FormatFactoryShell).
Finally I have reinitiated Windows Explorer, and the problem was solved. ShellExView is a very useful tool. Thanks na lot !!!

The details of the shell extension that might cause the problem:

Shell Extension Name: FormatFactoryShell
Filename: ShellEx_100.dll
Description: FormatFactory Shell Menu Module
Company: Free Time
Product Name: ShellEx
File Version:
CLSID: {A3777921-CFD3-4A6B-89BF-08E6B95716E8}

If you think that you have similar problem in your system, you can try to fix the problem by disabling the specified shell extension. In order to do that, simply follow the instructions below:

  1. Download and run the ShellExView utility from this Web page.
  2. Find the right shell extension according the details specified above.
  3. Select this shell extension and press F7 to disable this extension. After disabling the shell extension, check if the problem still occurs. If the problem still occurs, you should enable back the shell extension by pressing F8, and then try to search for another shell extension that might cause your problem.

This shell extension problem was reported by emys