Crash

When i open the launcher it only says "Offline Mode" which i have accepted, but when i click on it the launcher immediately crashes (i have no mods, texture packs or hacks active)

What I expected to happen was...:
To play Minecraft

What actually happened was...:
The game crashed before it launched

Steps to Reproduce:
1. Start Launcher
2. .Click "Play Offline"
3. Game Crashes