GW2 Network Error | Basic Troubleshooting

To fix a Guild Wars 2 (GW2) network error, restart your modem and router, then restart your PC. If the issue persists, disable your antivirus and firewall temporarily, and try a direct connection to your modem.

You should also repair the game client by creating a shortcut to Gw2.exe, adding -repair to the target line in its properties, and running the shortcut.

A Guild Wars 2 (GW2) network error is a connection problem between your computer and the game’s servers. The cause can be anything from a simple network hiccup to an aggressive firewall. While specific error codes (like 42:0:9001:4460) can point to a more precise issue, the general troubleshooting steps are the same.

1. Basic Troubleshooting

• Check Server Status:

  • The first step is to confirm the problem isn’t on ArenaNet’s end. Visit a site like outage.report/guild-wars-2 or the official GW2 forums to see if there are any reported outages or scheduled maintenance.

• Restart Everything:

  • Close the GW2 client completely. Unplug your router and modem for at least 60 seconds, and then plug them back in. Once your internet is fully reconnected, restart your computer and try launching the game again.

• Wired Connection:

  • If you’re using a wireless connection, try temporarily switching to a wired Ethernet connection to your router or modem to rule out Wi-Fi instability as the cause

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2. Check Security Software and Ports

• Firewall and Antivirus:

  • An overly aggressive firewall or antivirus program is a very common cause of network errors. It can block the game from connecting to the servers.
    • Add Gw2.exe to your firewall’s exception or whitelist.
    • Temporarily disable your antivirus software and see if the game connects. If it does, you’ll need to configure your antivirus to allow the game to run without interference.

• Port Forwarding:

  • The game uses specific ports to communicate. Ensure that ports 80 and 443 are open and not being blocked by your router’s firewall. For some players, opening TCP port 6112 can also help.

3. Advanced Solutions

• Flush DNS and Reset Network:

  • This can clear up corrupted network data.
    1. Open the Command Prompt as an administrator.
    2. Type ipconfig /flushdns and press Enter.
    3. Next, type netsh winsock reset and press Enter.
    4. Restart your PC.

• Repair the Game Client:

  • Corrupted game files can sometimes cause connection issues.
    • Create a shortcut of your Gw2.exe file.
    • Right-click the shortcut, go to Properties, and in the “Target” field, add -repair to the very end of the line (with a space before the dash). For example: "C:\Games\Guild Wars 2\Gw2.exe" -repair
    • Run the shortcut. This will force the client to check and repair any damaged files.

• Use a Different DNS:

  • Switching to a public DNS server like Google’s can sometimes improve connectivity.
    • Go to Control Panel > Network and Sharing Center > Change adapter settings.
    • Right-click your active connection, select Properties, then click Internet Protocol Version 4 (TCP/IPv4) and select Properties.
    • Choose “Use the following DNS server addresses” and enter 8.8.8.8 as the Preferred DNS and 8.8.4.4 as the Alternate.

If the error persists after trying all these steps, the problem may be related to your Internet Service Provider’s (ISP) routing to the GW2 servers. In this case, you may need to contact your ISP or submit a support ticket to ArenaNet.