loading stuck

I'm newbie developer i run server in virtualbox and client in windows 10, i'm following this You must be registered for see element. i build server with configuration Release, then fix default.charclass and comment.ini smooth working on emulator but have stuck in login screen, can anyone help...

Hello everyone! I'm looking for help about one annoying bug. On absolute random princip sometime when client select character to enter the world, stuck at the loading(web zen logo) screen, but actual is in the game and can type, move, click ESC->..(all option) but the interface stuck at loading...