Don't just CTRL+C the "********". You are really copying the ***** and not the password...
Logged in windows as another user, then logged in diablo, logged back to main account in windows and it is working now!
it's so anoying!!! i only have one user -.-
If you're receiving Error 315300 when logging in, please check this article:
Tried all the tricks in this link http://eu.battle.net/support/en/article/error-315300
None of them works! Please fix this!