Diablo 4's performance issues continue to plague the title even days after its launch. Players on both PCs and consoles are now running into error code 75, which is force-shutting the game. The error usually occurs when the client cannot authenticate your Blizzard account for RPG. It is one of the many network-related issues that are currently active in the release.This error also occurs when the Diablo 4 servers themselves are not running optimally or when you have not updated the title to the latest patch. It’s one of the most annoying issues to deal with and has no permanent solution apart from a few temporary workarounds.TheFastTortise@Tv4sss@Blizzard_Ent I'm getting error code 75 on Diablo 4 after trying to authenticate my account to receive twitch drops and the blizzard support wasn't able to help, i don't know what to do@Blizzard_Ent I'm getting error code 75 on Diablo 4 after trying to authenticate my account to receive twitch drops and the blizzard support wasn't able to help, i don't know what to doToday’s Diablo 4 guide goes over some of the things that you can do to deal with error code 75 in the game.How to fix Diablo 4 error code 75 on PCKieron@TopPilotGamingI almost had a heart attack. I logged back into Diablo 4 after having a break. I got the authentication error that has plagued PS5 (I am on Series X). I then saw that there was a small patch. That patch fixed it. So if U r experiencing that problem, just patch the game. #DiabloIVI almost had a heart attack. I logged back into Diablo 4 after having a break. I got the authentication error that has plagued PS5 (I am on Series X). I then saw that there was a small patch. That patch fixed it. So if U r experiencing that problem, just patch the game. #DiabloIVIf you're on PC, there are a few things that you can do in order to work around the error code 75 in the latest Diablo title.1) Update the gameThe first thing you can do to deal with error code 75 is to update Diablo 4. You can do that by making your way to the Battle.net client, selecting the title, and clicking on Options. There, you will get the option to check for updates. Upon selecting that option, a program will launch that will automatically check for the latest version and update the game.2) Restart the gameIf you are encountering the error code even after updating Diablo 4, you will need to restart the game a few times. While this might not look like much of a fix, many players were able to solve the issue with this method.3) Restart your systemUpon restarting your PC, the Battle.net client will update itself automatically. This could potentially weed out some of the performance bugs that may have been arising due to the client.4) Check for file integrityIt’s likely that error code 75 is occurring due to some damaged files in the installation directory. You can fix this by selecting the game in the Battle.net client, going to options, and then selecting scan and fix.This will start a process that will automatically go over all the files in the directory and fix the ones that may be damaged.5) Check for server healthThe Blizzard servers may be facing an issue or high login surges. If this is the case, it could have led to the authentication error in the game.You can check the server status by heading to the official Twitter page, as the developers usually keep players updated with all the issues that the title is facing.Blizzard CS - The Americas@BlizzardCS[#DiabloIV] We're currently investigating an issue affecting our authentication servers, which may result in failed or slow login attempts.1054162[#DiabloIV] We're currently investigating an issue affecting our authentication servers, which may result in failed or slow login attempts.How to fix Diablo 4 error code 75 on Xbox and PlayStationFor console users facing the error, you will either need to check for the server stability or update the game to the latest patch to fix it. You can check for the most recent versions by selecting the game, pressing the “Start” or “Options” button, and then “Check for Updates.”Once you have updated the game to the latest version on your Xbox or PlayStation, you will need to boot it up.Contact Blizzard support for all Diablo 4 issuesIf you are still facing error code 75 even after trying out all the methods above, you will need to reach out to Blizzard support to help you with all the performance issues in the game.