Mainly the title, we're having a weird issue. I've been playing this game with a friend for maybe a week or two now, but some other friends also wanted to play. So we showed them the links in regards to installing and to setup their router. They all did that and it all worked fine. Except for one thing. One of our friends had some issue regarding their port forwarding, something with IPv6 etc, some weird Dutch issue and the prodiver. Dutch thing I guess. Now he got it to work with this friend of mine, they played a couple of quests and then my friend had to go. So I decided to play with him and another friend to do a small skirmish, learn em the ropes basically. That doesn't work, for some reason the game "Failed to Launch". And it's only with him, only with him. If I start it with my other friend, fine no issues. But with him it's failing to launch. Is this related to IPv6? Or is this another issues? He could do missions with one friend, but not with us? Weird issue imo.