My starbound.log

Info: Preparing Star::Root...
Warn: Slow asset 0.086 : /default_configuration.config
Info: Loading Star::Configuration from '..\starbound.config'
Info: Done preparing Star::Root.
Info: Client version 'Beta v. Offended Koala' '623' '424'
Info: Starting from the title screen
Info: Initialized SDL
Info: Initialized SDL Video
Info: Initialized SDL Joystick
Info: Initialized SDL Sound
Info: Opened default audio device with 44khz / 16 bit stereo audio, 2048 sample size buffer
Info: Shutting down Star::Root
Error: UuidException: Size mismatch in reading Uuid from ByteArray: 8 vs 16
  ... (2)
  00534116 (C:/starbound/source/game/StarPlayerFactory.cpp:96)
  00407C78 (C:/starbound/source/client/main.cpp:47)
  004DB931 (c:\SDL-1.2.15/./src/main/win32/SDL_win32_main.c:318)