Shell Problems Shell Menus ShellExView Utility NirSoft Utilities
ShellExt70.dll - When you right-click on a folder and choose Properties, nothing happens.

Norton Security from Symantec Corporation was the cause. THANK YOU!!

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

Shell Extension Name: PDF Converter 7.3 Shell Extension
Filename: ShellExt70.dll
Description: SHELLEXT70.DLL
Company: Nuance Communications, Inc.
Product Name: Nuance PDF Products
File Version: 7.3.12117.1214
CLSID: {877327F4-8A93-4320-932C-338069C27BEA}

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.