I searching for a party (the wait is still great).
I find a party and enter in the Dungeon.
I take a DC in the Dungeon.
I log my Character again e try back to DG, but I cant.
I lost my one of my DG Run.
Today, i lost 1 of my Dungeons and 2 of my Missions. very sad about it.
But, but… You’ve got new costumes in the shop!
You’re supposed to be happy about it, not dwell on insignificant bugs like that!
/sarcasm
On a slightly more serious note, IMC should really rework the whole group finder. From scratch. Allow joining as a group, for starters. And re-connecting mid-session, too.
same here, I lost my dg run and I can’t go back
Inside dungeon my screen freezes many time before I got dc and the annoying bug “error: you are moving too fast”
Same here Freeze a lot got DC and not in party anymore ,I lost 2 run and feel really sorry for my party
Don’t run dungeons for now then.
There seems to be an ongoing issue.
Let’s wait for them to fix it and catch up on your quests.
Please also submit this to bug reports and @ the staff because this one may need visibility.
Make sure the issue is well described, with time and incidents described.
Same here sadly. I froze 3 times during one dung run yesterday, froze 4th tiem in the next one but I just couldn’t take it anymore and ALT+F4 
I thought its only my PC