I having problem to joining in to my friend world but he can join in to my world. I try everything and still don't work. I have the latest update of windows, i have the drivers updated, the only thing that don't appears in the windows firewall is the "javaw.exe". The last time i play was in my laptop and i can join but in the desktop i cann't join the world
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Have you checked the firewall on the PC and set it to low/medium protection? If your firewall is set to max (NAT3) you won't connect, you need to be NAT3 or medium firewall setting (never NAT1 or DMZ as firewall would be disabled)..

Thank you for your report!
We're tracking this issue in MCPE-36190, so this ticket is being resolved and linked as a duplicate.
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