When I trz to log in minecraft crashes

When I try to log in I get this message

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

Minecraft has stopped running because it encountered a problem; Failed to start game

A full error report has been saved to C:\Documents and Settings\Administrator\Application Data\.minecraft\crash-reports\crash-2012-12-16_19.23.42-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash :(



--- BEGIN ERROR REPORT ca28374b --------
Full report at:
C:\Documents and Settings\Administrator\Application Data\.minecraft\crash-reports\crash-2012-12-16_19.23.42-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 16.12.12. 19.23

-- System Details --
Details:
	Minecraft Version: 1.4.5
	Operating System: Windows XP (x86) version 5.1
	Java Version: 1.7.0_09, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 425195480 bytes (405 MB) / 518979584 bytes (494 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: [com.pclewis.mcpatcher.MCPatcherUtils, Config, ChangeHandler, ...], [com.pclewis.mcpatcher.mod.Colorizer, BiomeHelper, Stub, ...]
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	LWJGL: 2.4.2
	OpenGL: GeForce GT 520/PCIe/SSE2 GL version 4.2.0, NVIDIA Corporation
	Is Modded: Very likely; Jar signature invalidated
	Type: Client (map_client.txt)
	Texture Pack: Misa431.zip
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

java.lang.IllegalStateException: Function is not supported
	at org.lwjgl.BufferChecks.checkFunctionAddress(BufferChecks.java:64)
	at org.lwjgl.opengl.GL11.glMatrixMode(GL11.java:2054)
	at net.minecraft.client.Minecraft.I(SourceFile:333)
	at net.minecraft.client.Minecraft.a(SourceFile:243)
	at net.minecraft.client.Minecraft.run(SourceFile:515)
	at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT d9dd645e ----------