Error Code BLZBNTBGS000003F8 : Solved

by Ekta

Error Code BLZBNTBGS000003F8 : For gaming enthusiasts, few things are more frustrating than encountering an error code that disrupts your gameplay.

If you’ve ever faced the Error Code BLZBNTBGS000003F8 while playing Call of Duty or Black Ops Cold War, accompanied by a “SERVER DISCONNECTED” message, don’t worry! We’ve got your back.

In this guide, we’ll break down how to resolve this issue step by step, in a way that’s easy.

Method 1: Rollback Networking Driver

If you’re using Killer E2200 networking drivers, this method may help you get back to your game. Here’s what you need to do:

  • Press the Windows logo key + R to open the Run dialog.
  • Type “devmgmt.msc” and press Enter to open Device Manager.
  • In Device Manager, find and expand the “Network adapters” category.
  • Look for “Killer E2200 Gigabit Ethernet Controller,” right-click on it, and select “Properties.”
  • Go to the “Driver” tab and click on “Roll Back Driver.”
  • Follow the on-screen instructions to complete the process.

Method 2: Check Windows Firewall Settings

Your Windows Firewall settings might be causing the issue. Let’s make sure Call of Duty: Black Ops Cold War is allowed through Windows Defender Firewall:

  • Press the Windows logo key to open the Start menu.
  • In the search bar, type “Windows firewall” and click “Windows Defender Firewall” from the results.
  • On the left side of the screen, select “Allow an app through Windows Defender Firewall.”
  • Scroll down until you find “Call of Duty: Black Ops Cold War.”
  • Check the boxes for both Private and Public network settings.
  • Click “OK” to save the changes.

Method 3: Check Game Server Status

Sometimes, server-related problems can trigger this error code. To make sure it’s not a server issue, follow these steps:

  • Visit the Activision Online service page (you can Google it) and select the relevant game, in this case, Call of Duty: Black Ops Cold War.
  • Look for any notifications about server problems or maintenance.
  • You can also check Blizzard CS Twitter for updates on server maintenance if you have the game on

Method 4: Contact Support

If none of the methods above seem to work, it’s time to reach out to the game’s support team. They’re there to help, and they may have additional troubleshooting steps to guide you through. Don’t hesitate to contact them and seek assistance in resolving the issue.

By following these methods and staying informed about server status, you can work towards resolving the Error Code BLZBNTBGS000003F8 and enjoy uninterrupted gameplay. Remember, gaming should be fun and hassle-free, and these steps will help you get back into the action.