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

I excluded Microsoft as Company, and inactivated all other extensions - and then restarted CPU.
The problem was now gone.
Those programs, which CLSID had NOT been changed the last month - were activated.
Problem was still gone.
One by one I then activated those inactivated programs - until one was found to be the cause
of my problem.

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

Shell Extension Name: SimpleShlExt Class
Filename: vcContext.dll
Description: Context Menu
Company: Movavi
Product Name: Context Menu
File Version:
CLSID: {B9E732B9-10F8-4f0d-9BFA-80CEFCF1B920}

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 DouglasJB