Diamond Member Steam 0 Posted January 15 Diamond Member Share Posted January 15 This is the hidden content, please Sign In or Sign Up If you opened Marvel Rivals but kept receiving a pop-up message saying “Unknown error. Error Code: 4,” there’s a simple solution that worked for other players who also faced the same problem. Here’s how to fix the “error code 4” bug in Marvel Rivals. This is the hidden content, please Sign In or Sign Up Link to comment https://hopzone.eu/forums/topic/192985-steam-how-to-fix-marvel-rivals-error-code-4/ Share on other sites More sharing options...
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