Sound and Music sliders crash game.

The sound and music sliders are turned off. When I try to turn them on the game crashes.

Recreation:
1. Open Minecraft
2. Enter Options tab
3. Click as if to drag Sound or Music slider
4. Game freezes
5. Game does not close
6. Go into CTRL+ALT+DEL menu
7. Click on task manager
8. Manually close Minecraft
9. Repeat steps 1-8