Prerequisite failed to install with error "The feature you are trying to use is on a network resource that is unavailable" 

Symptoms:

 Prerequisite failed to install with error "The feature you are trying to use is on a network resource that is unavailable" 

Cause:

  There could be multiple root causes for this error, it could be due to Windows Installer Service not running as it should or the installer you are using is corrupted or the Registry Values are not correct for the installer that you are using.

Resolution:

Prerequisite failed to install with error "The feature you are trying to use is on a network resource that is unavailable" 

Method:1

1. Press Windows + R - that will open the Run window
2. Type "services. msc" without quotes and hit Enter
3. Find "Windows Installer" in the list of service
4. If windows installer service is stopped,
5. Start it by right-clicking on it and restart the computer
6. Now install the installer and verify the installer works or not 
7. If the service is running and still you are not able to install, Then please should follow the Next method.

Method:2

1. Press Windows + R - that will open the Run window (Backup your registry before doing any change)
2. Type regedit into the Run dialog and press Enter to open the Registry Editor.
3. In Registry Editor, Navigate to the following directory:
   HKEY_LOCAL_MACHINE --> SOFTWARE --> Classes --> Installer
4. Looks for that specific products registry key. (In this ex we need to find VC 2019 registry key under installer directory)
5. Once you find the sub-key belonging to the affected program, right-click on the sub-key and click on Delete.
6. Click on Yes in the Confirmation dialog to confirm the action.
7. Now Close the Registry Editor and restart the computer.
8. Now try to install your installer and verify it works or not.