Minecraft can't Open! (help pls!)

So, I'm currently trying to play Beta Minecraft 1.7.3, yet, when I press the play button, it gives me the following error:



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

Minecraft has stopped running because it encountered a problem.

If you wish to report this, please copy this entire text and email it to support@mojang.com.
Please include a description of what you did when the error occured.



--- BEGIN ERROR REPORT a1dce528 --------
Generated 3/24/14 12:28 PM

Minecraft: Minecraft Beta 1.7.3
OS: Windows 8 (amd64) version 6.2
Java: 1.7.0_21, Oracle Corporation
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
LWJGL: 2.9.0
OpenGL: AMD Radeon HD 7310 Graphics version 4.2.11762 Compatibility Profile Context, ATI Technologies Inc.

java.nio.BufferOverflowException
at java.nio.DirectByteBuffer.put(Unknown Source)
at java.nio.ByteBuffer.put(Unknown Source)
at ji.a(SourceFile:233)
at ji.b(SourceFile:139)
at net.minecraft.client.Minecraft.x(SourceFile:413)
at net.minecraft.client.Minecraft.a(SourceFile:329)
at net.minecraft.client.Minecraft.run(SourceFile:716)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT c7ce3ea4 ----------