What is Diablo 4 error code 300010 in Season 2?

What is Diablo 4 error code 300010 in Season 2?
Images via Blizzard

Written by 

Dave McAdam

Published 

18th Oct 2023 11:14

Has the Diablo 4 error code 300010 brought your planned night of gaming to a screeching halt? Diablo 4 is an online game, making it prone to the many issues those games tend to have.

The pesky error code 30010 has caused issues for many players trying to jump into Season 2 of Diablo 4, only to then be locked out of the game, so here is a rundown of everything you need to know about it and what the cause is.

What is causing error code 300010 in Diablo 4 Season 2?

The error code 300010 pop up in Diablo 4
Click to enlarge

In this particular situation, it seems that the source of the error code 300010 issue is a server problem. Unfortunately, this means there is little we can do about it but wait.

While you wait, though, you can keep an eye on the Diablo social media accounts for any news, and make sure your game is updated to the latest patch to ensure you get back in without more issues.

What is error code 300010?

A player using fire to burn monsters in Diablo 4
Click to enlarge

Unfortunately, there can be multiple causes for error code 300010, making it a bit of a tricky issue to diagnose. Known reasons for it include server issues, firewall or anti-virus systems, corrupted game files, or a required update not being installed.

As such, the general rules for dealing with error codes apply:

  • Make sure your game and your GPU drivers are updated
  • Reset your internet connection
  • Uninstall and reinstall the game

It's also worth noting that these steps are not guaranteed to fix the issue every time. For example, if the issue originates from the Diablo 4 servers, there is nothing you can do about it on your end.

And that's it for our rundown of the error code 300010 in Diablo 4. For more, head to our Diablo homepage where you'll find guides on how to summon all Uber endgame bosses in Diablo 4 and item power breakpoints explained.

Dave is a Senior Guides Writer at GGRecon, after several years of freelancing across the industry. He covers a wide range of games, with particular focus on shooters like Destiny 2, RPGs like Baldur's Gate 3 and Cyberpunk 2077, and fighting games like Street Fighter 6 and Tekken 8.

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