How do you resolve Cod error code blzbntbgs000003f8?

Try these fixes

Allow your game through firewall.
Flush your DNS cache.
Switch to Google DNS.
Switch to wired connection.
Update your network adapter driver.
Delete the Battle.net cache folder.
Link your Activision and Blizzard accounts.
Terminate programs running in the background.

How can I improve my battle net connection?

Optimizing Your Internet Connection

Try plugging your computer directly into your modem.
Shut down other programs that access the internet, such as other games or download programs.
Satellite, mobile phone, and WiMax internet connections are not stable connections and may cause further connection issues when playing Blizzard games.

How do you reset your network devices to make sure your router hasn’t become flooded with data?

Run a reset Followed by a reset of your network devices to make sure your router hasn’t become flooded with data. Release and renew your IP and flush your DNS to resolve any network conflicts (in Command Prompt type ipconfig/flushdns, and press Enter).

Why does wow keep disconnecting me?

Check your network configuration to find any issues with your firewall, router, or port settings. If you’re using a VPN, try removing it. Disable any proxies that may interfere with the login module. Run a security scan to remove any viruses or malware infections.

How do you reset network devices?

Resetting The Network Stack

Type ipconfig /release and press Enter.
Type ipconfig /flushdns and press Enter.
Type ipconfig /renew and press Enter. (this will stall for a moment)
Type netsh int ip reset and press Enter. (don’t restart yet)
Type netsh winsock reset and press Enter.

Why do I keep getting disconnected from Wow Shadowlands?

Check your network configuration to find any issues with your firewall, router, or port settings. If you’re using a VPN, try removing it. Disable any proxies that may interfere with the login module. Old firmware on your modem and router can cause issues with complex game connections.