With every new season or a big patch update, Diablo 4 gets certain performance issues like the error code 75 which pops up now and then. When the error occurs you get the “There was a problem authenticating your account” message and you are not allowed to boot up the game.
The issue usually occurs when the game is not able to authenticate your account. This happens when you have not updated the game to the latest version or if your system has not properly downloaded and installed the latest patch.
Fortunately, there are a few things you can do to work around the problem which the guide below goes over.
How to fix Diablo 4 error code 75 “problem authenticating your account”
To fix the issue you will need to just look for the latest Diablo 4 patch and download it on your system. You can do it in the following way on your respective platforms:
Battle.net
- Make your way into the Battle.net client and select Diablo 4 there.
- Then click on the gear icon that is beside “Play”.
- Here under Options you will find “Check for Updates”
- Click on it and your client will automatically detect the latest patch and download it.
Steam
- If you are playing the game on Steam, you will need to head into the Library.
- Find Diablo 4 there and then right-click on the title to go to Properties.
- You will find the update option where you will need to click on “Always keep this game updated” in the drop-down menu
Xbox
- Select Diablo 4 and then press the Menu button.
- Open “Manage game and add-ons”
- Head into updates and choose the latest patch
PlayStation 5
- Select Diablo 4 and press the Options button
- You will find the option to “Check for Update”
- Your console will detect the most recent patch and then download it.
Alternate ways of fixing Diablo 4 error code 75
If downloading the latest patch does not help solve error code 75, you might want to do the following:
1) Scan and fix files
The first thing you will need to do is to scan all the files in the installation directory and look for the ones that have been damaged. You can do this on both Steam and Battle.net by just selecting the game and going to additional options.
Once you click on the verification process the client will automatically go over all the files in the directory and fix the ones that may have been damaged.
2) Re-install the Diablo 4
You can try reinstalling the game if the problem persists. While it may not look like much of a fix, many in the community have stated that re-installing the game has fixed many performance issues.
3) Reach out to Blizzard Support
As a last resort, you can always reach out to the Diablo 4 support team. You will just need to lodge a complaint and wait for their team to reach out to you.
What causes the error code 75 “problem authenticating your account” in Diablo 4?
Error code 75 usually occurs during a new season or when a big update has rolled out in Diablo 4 and your client or platform is not able to download it. It can also occur if there are a few corrupt files in the installation directory which was caused when trying to download and install the new patch.