How to Fix Marvel Rivals Error Code 21

Error 21 in Marvel Rivals can be tricky, but there are a few fixes that might help. Follow these steps to troubleshoot the problem and get back into the game.

Fix 1: Confirm Terms and Conditions

1. Look for the Terms and Conditions page:

   • After the error appears, a Terms and Conditions window may pop up.

2. Accept the terms:

   • Use your mouse to click Confirm.

   • Look for a gray button in the top-right corner and click it.

3. Restart the game:

   • This method has helped other players resolve Error 21.

Fix 2: Disable IPv6 on Your Internet Connection

Some players found that having IPv6 enabled on their network causes the error. Switching to IPv4-only access may solve the issue.

1. Access network settings:

   • Right-click your internet connection and select Network and Internet Settings.

   • Go to Network and Sharing Center.

2. Edit connection properties:

   • Select your active network connection.

   • Click Properties.

3. Turn off IPv6:

   • Uncheck Internet Protocol Version 6 (IPv6).

   • Click OK to save changes.

4. Restart the game:

   • Many players reported success after disabling IPv6.

Fix 3: Use a VPN or Mobile Hotspot

If disabling IPv6 doesn’t work, try this:

1. Install a VPN:

   • Choose a VPN service and connect to a server near your region.

2. Use a mobile hotspot:

   • Connect your gaming device to a hotspot from your phone or laptop.

   • This can bypass network restrictions causing the error.

Additional Tips

• If for whatever reason you still can’t fix the issue, try a complete reinstall. There may be alternative solutions found online in various forums as well.

Good luck!

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