Remember Account Name Bug

When i click the remember account name button on the login screen, it doesn't remember the account name neither when I close through the escape menu, nor force quitting by closing the window in windowed mode.

Hi Zergie,

This is a known issue:

Clicking on "Remember Account" does not remember your account if you exit the game. However, if you logout of the game, it now remembers your account.

Source: http://us.battle.net/d3/en/forum/topic/3530363469