How to fix error code 75 in Diablo 4: ‘There was a problem authenticating your account’ issue

Whenever Diablo 4 gets an update, there’s bound to be error codes, with one of the more prevalent ones being “error code 75,” which can occur across all platforms.

Error code 75 has been an issue in Diablo 4 since its release and will likely continue to occur with every new patch. Thankfully, it’s easy to fix compared to other issues in the game and does not take too long to complete.

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