I've been playing factorio off and online since it opened and in the earlier days I got many connection issues but after patches not so much. Recently I've encountered a problem. My brother and I are on the same ISP and he gets "Unable to establish network..." error when trying to connect ...

Hey guys. I've downloaded ModMyFactory and I am getting crashes pretty regularly when I try to download things from the mod portal. I followed the guide to the letter. CRASH REPORT TEXT System.NullReferenceException: Object reference not set to an instance of an object. at ModMyFactory.GlobalCredent...