[Ace]

Make SURE that you run FFXIVBoot.exe to update the launcher or this will not work! The FFXIV game launcher got an update recently.

Launcher updated, still not working well.

The first account is launched automatically, but it says wrong data centre, never activated. Ok then, I manualy change to the right one, key in password myself, after that everything normal.

Now the real problem is the 2nd account onwards, They just won't be launched automatically like the fist one. Then I manually log in, attach bot, but its not the correct minion key for this account that I saved, it is the key for the first account, so the first account crashes.

You have obviously typed the information incorrectly in the setup for the account, not only once but for both accounts. You are signing in one bot under one key, then another one under the same key. Why do you think this would work? Go into each account you have set up in the launcher, and verify all the information is correct before posting here about an "error".