Minecraft crashes in creative inventory

Minecraft has crashed!      
      ----------------------      

Minecraft has stopped running because it encountered a problem; Unexpected error
This error has been saved to C:\Users\Matt\AppData\Roaming\.minecraft\crash-reports\crash-2012-10-29_00.18.32-client.txt for your convenience. Please include a copy of this file if you report this crash to anyone.



--- BEGIN ERROR REPORT c960b6e1 --------
Generated 29/10/12 00:18

- Minecraft Version: 1.4.2
- Operating System: Windows 7 (x86) version 6.1
- Java Version: 1.7.0_05, Oracle Corporation
- Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
- Memory: 404664320 bytes (385 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
- JVM Flags: 2 total; -Xms512m -Xmx1024m
- AABB Pool Size: 5605 (313880 bytes; 0 MB) allocated, 694 (38864 bytes; 0 MB) used
- LWJGL: 2.4.2
- OpenGL: ATI Radeon Xpress Series         GL version 2.1.8304 Release, ATI Technologies Inc.
- Is Modded: Probably not
- Type: Client
- Texture Pack: Default
- Profiler Position: N/A (disabled)
- Vec3 Pool Size: ~ERROR~ NullPointerException: null

java.lang.NullPointerException
	at aud.b(SourceFile:256)
	at net.minecraft.client.Minecraft.a(SourceFile:433)
	at awr.a(SourceFile:492)
	at bx.b(SourceFile:347)
	at awr.d(SourceFile:98)
	at awz.b(SourceFile:61)
	at net.minecraft.client.Minecraft.l(SourceFile:1282)
	at net.minecraft.client.Minecraft.J(SourceFile:582)
	at net.minecraft.client.Minecraft.run(SourceFile:534)
	at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT d9b51307 ----------