---- Minecraft Crash Report ---- // Don't be sad, have a hug! <3 Time: 16.12.12. 19.23 Description: Failed to start game 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) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- 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