A message like this appears when there's an issue with the Windows Installer Service in your system.
There are several methods you can use to fix this error. We recommend trying the following steps in order:
Method 1: Microsoft troubleshooter
- Go to the Microsoft Download website and download the official Install and Uninstall Troubleshooter (click here). Use any browser other than Microsoft Edge for this.
- Double-click the downloaded Troubleshooter to run it.
- Click on Advanced > make sure Apply repairs automatically is checked >click Next.
- Now, select Installing if the error happens while installing.
- After that, select the program (Radiant Photo or Radiant Manager) from the list.
- Let the troubleshooter fix your issue.
Method 2: Using Registry Editor
- Press the Windows key + R together on your keyboard to open the Run command. Now, type regedit in the search field and hit Enter.
- In the Registry Editor window, navigate to the below path:
HKEY_LOCAL_MACHINE\SOFTWARE\Radiant Imaging Labs
- Right-click on it and click on Delete. Reboot the computer.
- Now, you can complete the installation of your program.
Method 3: Through services
- Go to the Start button on your desktop and type Services. Click on the result.
- In the Services window, on the right-hand side, go to the Name column, look for Windows Installer, and double-click on it.
- In the Windows Installer Properties dialogue box, check the Service status section. If it shows Stopped, click on the Start button to start the service.
- Press the OK button to save the changes and exit.
You can now finish installing the program easily. However, if the problem persists, please try the next method.
Method 4: Using Command Prompt
- Go to the Start button on the Windows desktop and type CMD in the search field. Right-click on the result and select Run as administrator.
- In the Command Prompt window, copy&paste the following commands one by one and press Enter after each one:
- This should resolve the problem, and the error should be gone.