Changing email should work regardless of whether the email provider is supported or not since that is one of the main reasons why players change their emails. Your new email has to be gmail or hotmail though.
You could try these out, not all of them apply since we're not GMS but I guess worth trying?
http://forums.maplestory.nexon.net/discussion/21466/possible-solutions-maplestory-not-launching
This isn't a permanent fix but in the meantime, you can get out of the gachapon menu when you get stuck by going into Cash Shop.
With the extracting problem, is your fatigue full? Or is the issue coming up even when your fatigue bar isn't full?
This is why most guides recommend you to keep extra denaros before you use them because you require denaros in order the start the run. I believe the only thing you can do is start commerci on a different character.
But yes, you can get 1 denaro from the 5 denaro run, the issue is getting more...
https://docs.google.com/document/d/1okuUfdkiYS2dVhz5S-YT3bzJZnaT6-JqMzrWwNZNeVo/edit?usp=drivesdk (Taken from BiS post mentioned above)
Full comparisons made here. And yep, like mentioned above, even getting to 20* takes a long time so technically 15* tyrants are better at the moment.
You might need to choose a more complicated PIC. For example, it won't allow you to choose a PIC with more than 2 of the same characters in a row (so no 111222).
IGN: Emblems
Job: Ark
Job Level: 275
Description of Bug (Explain the bug, How is it done, what should it really be doing? etc. An unclear description will not get the bug fixed): The Pink Bean creation option used to be under Quick Move -> Universal NPC but the option is not gone and there's no...
Tyrants are definitely better in Aries due to star force boxes as well as starring rates. You can check a comparison table here between the att/matt and stats gained by starring between superior and non-superior equips. I know your question is regarding abso, but tyrants are better than even...