I seem to constantly get “[32.613865] MUDEC_00044: The client isn’t ready yet” and “MUDEC 00045: The client doesn’t response with DCHP Protocol” while progress is stuck at 10%. Self Diagnosis shows it failed on Private Network test:KR Asia, and has a refresh symbol on Private Network test: JP Asia. Everything else in self diag is checks, with a 1 for my game and 0 for dead nodes (which I assume is what should be there). I tried turning off Avira, but to no avail.
Did you check MUDEC_00045 link for workarounds? I think you can try to use -I option. :-)