I was playing all day yesterday and, it had no problems at all. I turned it on today and it crashed. It loads the launcher and then I click "Play" and then it loads for a little bit then, crashes! I don't understand why, it was working the other day. Here is the crash log thing:
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 Loading jars...
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 Loading URL: file:/C:/Users/ken/Desktop/FTBBETAA/instMods/MinecraftForge.zip
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 Loading URL: file:/C:/Users/ken/Desktop/FTBBETAA/minecraft/bin/minecraft.jar
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 Loading URL: file:/C:/Users/ken/Desktop/FTBBETAA/minecraft/bin/lwjgl.jar
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 Loading URL: file:/C:/Users/ken/Desktop/FTBBETAA/minecraft/bin/lwjgl_util.jar
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 Loading URL: file:/C:/Users/ken/Desktop/FTBBETAA/minecraft/bin/jinput.jar
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 Loading natives...
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 Fixed Minecraft Path: Field was private static java.io.File net.minecraft.client.Minecraft.an
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 MCDIR: C:\Users\ken\AppData\Roaming\.minecraft
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:07 [INFO] [ForgeModLoader] Forge Mod Loader version 4.2.18.433 for Minecraft 1.4.2 loading
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:07 [INFO] [STDOUT] Adding Accesstransformer map: codechickencore_at.cfg
16:27:07 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:07 [INFO] [STDOUT] Adding Accesstransformer map: nei_at.cfg
16:27:08 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:08 [INFO] [STDOUT] Inserted super call into auk.c
16:27:08 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:08 [INFO] [STDOUT] atq was overriden from NotEnoughItems 1.4.1.2.jar
16:27:09 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:09 [INFO] [STDOUT] Generated BlockMobSpawner helper method.
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDOUT] 27 achievements
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDOUT] 208 recipes
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDOUT] Setting user: Bluiiip, 2532306340052375281
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDERR] Client asked for parameter: server
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDOUT] LWJGL Version: 2.4.2
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDERR] org.lwjgl.LWJGLException: Pixel format not accelerated
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDERR]at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDERR]at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDERR]at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:185)
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDERR]at org.lwjgl.opengl.Display.createWindow(Display.java:311)
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDERR]at org.lwjgl.opengl.Display.create(Display.java:856)
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDERR]at org.lwjgl.opengl.Display.create(Display.java:784)
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDERR]at net.minecraft.client.Minecraft.a(Minecraft.java:393)
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDERR]at net.minecraft.client.Minecraft.run(Minecraft.java:752)
16:27:10 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:10 [INFO] [STDERR]at java.lang.Thread.run(Unknown Source)
16:27:11 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:11 [INFO] [STDERR] org.lwjgl.LWJGLException: Pixel format not accelerated
16:27:11 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:11 [INFO] [STDERR]at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
16:27:11 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:11 [INFO] [STDERR]at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
16:27:11 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:11 [INFO] [STDERR]at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:185)
16:27:11 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:11 [INFO] [STDERR]at org.lwjgl.opengl.Display.createWindow(Display.java:311)
16:27:11 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:11 [INFO] [STDERR]at org.lwjgl.opengl.Display.create(Display.java:856)
16:27:11 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:11 [INFO] [STDERR]at org.lwjgl.opengl.Display.create(Display.java:784)
16:27:11 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:11 [INFO] [STDERR]at org.lwjgl.opengl.Display.create(Display.java:765)
16:27:11 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:11 [INFO] [STDERR]at net.minecraft.client.Minecraft.a(Minecraft.java:408)
16:27:11 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:11 [INFO] [STDERR]at net.minecraft.client.Minecraft.run(Minecraft.java:752)
16:27:11 [INFO] net.ftb.gui.LauncherConsole$OutputOverride.write:63 2012-11-18 08:27:11 [INFO] [STDERR]at java.lang.Thread.run(Unknown Source)