If you are trying to access the Help and Support Center via a link in the Start Menu but an error message that states: "Cannot find helpctr.exe" is produced. This quite possibly is an App Paths issue. To restore the App Paths value for helpctr.exe, download the following Registry fix:
Instructions for use:
1. Download the above registry file to your desktop.
2. Double click the Registry file
3. Select Run
4. Merge the file with your registry.