IT Help For Hex_Sars
@Hex_SARS_2_CoV Mod closed the other. See if your Nat Type is Strict on Windows 10. Sometimes it'll change randomly if you play certain games that can restrict you from playing with other's even if it connect's you. That seems to be your issue and I'll be happy to assist you. I've had it happen on Call Of Duty: Infinite Warfare.
One day, I just couldn't join any of my dudes. It would just kick me randomly. Reply to this if you still need help.
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This will help if that is actually your issue. If not, let me know and I'll try to help further.