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

I looked for the most recent additions, all of which were from Norton IS 2010. Disabling this one solved the problem immediately

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

Shell Extension Name: IEContextMenu Class
Filename: NavShExt.dll
Description: Symantec Shared Component Shell Extension Module
Company: Symantec Corporation
Product Name: Symantec Shared Component
File Version:
CLSID: {FAD61B3D-699D-49B2-BE16-7F82CB4C59CA}

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 Greybeard