hi there, nocturna76…
still not resolved this problem?
im also having this problem after updating to 4.1 …I searched for answer in U4 answerhub ,there’s some1 said change the DNS server,(sorry I cant find the posting again) anyway…he suggested use OPEN DNS server,…i googled in open dns Wikipedia …
I changed my IPv4 only…and launcher worked again…
hope this can help you…
sorry for my English…