Do you experience problems during downloading?
Check your connection in Status and Interface settings window.
Use Test Server in Config > Servers.
We will probably ask you to do a test using only basic settings.
Do you experience problems during repair or unpacking?
Enable +Debug logging in the Status and Interface settings window and share the relevant parts of the log here using [ code ] sections.
I knew that the rate at the beginning is not very precicely, so i waited 20-40 sec's. That wasn't long enough though
Okay, thank you for that analysis! I heard about many problems about IPV6 when you're not using it. The RFC of happy eyeballs also mentions a long delay when IPV6 is not accessible. But if i get it right, you are first choosing the fastest ip adress before a user starts downloading. So this shouldn't be a problem.
Back to the IPV6 address:
I've got: 2001:0 which would then be Window's Teredo..?