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: This means Step 2 was skipped or unsuccessful. You must reboot into the Advanced Startup menu again to disable signature enforcement before retrying the Device Manager steps.

This article provides a comprehensive guide on how to successfully install the , troubleshoot common issues, and get your programmer running smoothly. Prerequisites for Installation

Windows will block these drivers by default because they lack a valid certificate. You must temporarily disable this security feature to proceed.

Windows Driver Signature Enforcement was not successfully disabled.

On the menu that appears, press or F7 to "Disable driver signature enforcement". Step 2: Manual Installation via Device Manager

Crucial: Re-enable it afterward by running bcdedit /set no integrity checks off .

The Device Manager will refresh, and the device should now be properly listed under Universal Serial Bus controllers or Ports (COM & LPT) as . Step 4: Verify the Installation in J-Runner

Extract the downloaded ZIP archive to a dedicated folder on your local drive (e.g., C:\J-Runner ).

After the PC restarts, navigate to: > Advanced Options > Startup Settings > Restart .