The Installation Manager encountered an error when creating thisregistry key:.

Issue：

The Installation Manager encountered an error when creating this
registry key:.

You must have administrative permisslon when running the
Installation Manager, check the permissions for this registry key
using a registry editor or consult the system administrator.

Solution:

Step 1
Download the latest version of DeepUninstaller from the official website and log in.
Download link: deepuninstaller.com

Step 2
Click on “Extensions,” then click “Start” next to “Error Code 1402/1406”