I click launch with the DW20 pack and it just doesn't launch. Here's the log.
[18:16:07] [INFO] JGoogleAnalyticsTracker$2.run:483: AnalyticsBackgroundThread started
[18:16:07] [INFO] LaunchFrame.main:145: FTBLaunch starting up (version 1.2.0)
[18:16:07] [INFO] LaunchFrame.main:146: Java version: 1.6.0_32
[18:16:07] [INFO] LaunchFrame.main:147: Java vendor: Sun Microsystems Inc.
[18:16:07] [INFO] LaunchFrame.main:148: Java home: C:\Program Files\Java\jre6
[18:16:07] [INFO] LaunchFrame.main:149: Java specification: Java Virtual Machine Specification version: 1.0 by Sun Microsystems Inc.
[18:16:07] [INFO] LaunchFrame.main:151: Java vm: Java HotSpot(TM) 64-Bit Server VM version: 20.7-b02 by Sun Microsystems Inc.
[18:16:07] [INFO] LaunchFrame.main:152: OS: amd64 Windows 7 6.1
[18:16:07] [INFO] LocaleUpdater.run:51: [i18n] Checking for updates ...
[18:16:07] [INFO] I18N.setLocale:141: [i18n] enUS English language file loaded!
[18:16:08] [INFO] LocaleUpdater.run:64: [i18n] remoteVer = 10
[18:16:08] [INFO] LocaleUpdater.run:77: [i18n] localVer = 10
[18:16:08] [INFO] LocaleUpdater.run:82: [i18n] Files are up to date
[18:16:08] [INFO] I18N.addFiles:98: [i18n] Fallback enUS loaded
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 0 enUS to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 1 cyGB to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 2 daDK to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 3 deDE to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 4 esES to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 5 frFR to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 6 itIT to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 7 maHU to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 8 nlNL to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 9 ptBR to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 10 ptPT to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 11 ruRU to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 12 svSE to options pane
[18:16:08] [INFO] I18N.setLocale:141: [i18n] enUS English language file loaded!
[18:16:08] [INFO] MapLoader.run:24: loading map information...
[18:16:08] [INFO] TexturePackLoader.run:24: loading texture pack information...
[18:16:09] [INFO] ModpackLoader.run:41: Loading modpack information for modpacks.xml...
[18:16:09] [INFO] TexturepackPane.onTexturePackAdded:208: Adding texture pack 1
[18:16:09] [INFO] MapsPane.onMapAdded:212: Adding map 1
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 1
[18:16:09] [INFO] MapsPane.onMapAdded:212: Adding map 2
[18:16:09] [INFO] MapsPane.onMapAdded:212: Adding map 3
[18:16:09] [INFO] TexturepackPane.onTexturePackAdded:208: Adding texture pack 2
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 2
[18:16:09] [INFO] MapsPane.onMapAdded:212: Adding map 4
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 3
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 4
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 5
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 6
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 7
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 8
[18:16:43] [INFO] LaunchFrame.doLogin:489: Logging in...
[18:16:45] [INFO] LaunchFrame$13.done:548: Login complete.
[18:16:45] [INFO] LaunchFrame.initializeMods:819: Direwolf20
[18:16:45] [INFO] ModManager.upToDate:216: Modpack is up to date.
[18:16:45] [INFO] LaunchFrame.installMods:674: dirs mk'd
[18:16:45] [INFO] MinecraftVersionDetector.shouldUpdate:69: Current: 1.4.6
[18:16:45] [INFO] MinecraftVersionDetector.shouldUpdate:70: Required: 1.4.6
[18:16:45] [INFO] MinecraftLauncher.setMemory:98: Setting MinMemory to 256
[18:16:45] [INFO] MinecraftLauncher.setMemory:100: Setting MaxMemory to 8173
Loading jars...
Loading URL: file:/C:/Users/Chris%20Gaylord/Downloads/FTB/Direwolf20/instMods/MinecraftForge.zip
Loading URL: file:/C:/Users/Chris%20Gaylord/Downloads/FTB/Direwolf20/minecraft/bin/minecraft.jar
Loading URL: file:/C:/Users/Chris%20Gaylord/Downloads/FTB/Direwolf20/minecraft/bin/lwjgl.jar
Loading URL: file:/C:/Users/Chris%20Gaylord/Downloads/FTB/Direwolf20/minecraft/bin/lwjgl_util.jar
Loading URL: file:/C:/Users/Chris%20Gaylord/Downloads/FTB/Direwolf20/minecraft/bin/jinput.jar
Loading natives...
Natives loaded...
Loading minecraft class
mc = class net.minecraft.client.Minecraft
[18:16:07] [INFO] JGoogleAnalyticsTracker$2.run:483: AnalyticsBackgroundThread started
[18:16:07] [INFO] LaunchFrame.main:145: FTBLaunch starting up (version 1.2.0)
[18:16:07] [INFO] LaunchFrame.main:146: Java version: 1.6.0_32
[18:16:07] [INFO] LaunchFrame.main:147: Java vendor: Sun Microsystems Inc.
[18:16:07] [INFO] LaunchFrame.main:148: Java home: C:\Program Files\Java\jre6
[18:16:07] [INFO] LaunchFrame.main:149: Java specification: Java Virtual Machine Specification version: 1.0 by Sun Microsystems Inc.
[18:16:07] [INFO] LaunchFrame.main:151: Java vm: Java HotSpot(TM) 64-Bit Server VM version: 20.7-b02 by Sun Microsystems Inc.
[18:16:07] [INFO] LaunchFrame.main:152: OS: amd64 Windows 7 6.1
[18:16:07] [INFO] LocaleUpdater.run:51: [i18n] Checking for updates ...
[18:16:07] [INFO] I18N.setLocale:141: [i18n] enUS English language file loaded!
[18:16:08] [INFO] LocaleUpdater.run:64: [i18n] remoteVer = 10
[18:16:08] [INFO] LocaleUpdater.run:77: [i18n] localVer = 10
[18:16:08] [INFO] LocaleUpdater.run:82: [i18n] Files are up to date
[18:16:08] [INFO] I18N.addFiles:98: [i18n] Fallback enUS loaded
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 0 enUS to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 1 cyGB to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 2 daDK to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 3 deDE to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 4 esES to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 5 frFR to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 6 itIT to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 7 maHU to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 8 nlNL to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 9 ptBR to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 10 ptPT to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 11 ruRU to options pane
[18:16:08] [INFO] OptionsPane.<init>:141: [i18n] Added 12 svSE to options pane
[18:16:08] [INFO] I18N.setLocale:141: [i18n] enUS English language file loaded!
[18:16:08] [INFO] MapLoader.run:24: loading map information...
[18:16:08] [INFO] TexturePackLoader.run:24: loading texture pack information...
[18:16:09] [INFO] ModpackLoader.run:41: Loading modpack information for modpacks.xml...
[18:16:09] [INFO] TexturepackPane.onTexturePackAdded:208: Adding texture pack 1
[18:16:09] [INFO] MapsPane.onMapAdded:212: Adding map 1
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 1
[18:16:09] [INFO] MapsPane.onMapAdded:212: Adding map 2
[18:16:09] [INFO] MapsPane.onMapAdded:212: Adding map 3
[18:16:09] [INFO] TexturepackPane.onTexturePackAdded:208: Adding texture pack 2
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 2
[18:16:09] [INFO] MapsPane.onMapAdded:212: Adding map 4
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 3
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 4
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 5
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 6
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 7
[18:16:09] [INFO] ModpacksPane.onModPackAdded:236: Adding pack 8
[18:16:43] [INFO] LaunchFrame.doLogin:489: Logging in...
[18:16:45] [INFO] LaunchFrame$13.done:548: Login complete.
[18:16:45] [INFO] LaunchFrame.initializeMods:819: Direwolf20
[18:16:45] [INFO] ModManager.upToDate:216: Modpack is up to date.
[18:16:45] [INFO] LaunchFrame.installMods:674: dirs mk'd
[18:16:45] [INFO] MinecraftVersionDetector.shouldUpdate:69: Current: 1.4.6
[18:16:45] [INFO] MinecraftVersionDetector.shouldUpdate:70: Required: 1.4.6
[18:16:45] [INFO] MinecraftLauncher.setMemory:98: Setting MinMemory to 256
[18:16:45] [INFO] MinecraftLauncher.setMemory:100: Setting MaxMemory to 8173
Loading jars...
Loading URL: file:/C:/Users/Chris%20Gaylord/Downloads/FTB/Direwolf20/instMods/MinecraftForge.zip
Loading URL: file:/C:/Users/Chris%20Gaylord/Downloads/FTB/Direwolf20/minecraft/bin/minecraft.jar
Loading URL: file:/C:/Users/Chris%20Gaylord/Downloads/FTB/Direwolf20/minecraft/bin/lwjgl.jar
Loading URL: file:/C:/Users/Chris%20Gaylord/Downloads/FTB/Direwolf20/minecraft/bin/lwjgl_util.jar
Loading URL: file:/C:/Users/Chris%20Gaylord/Downloads/FTB/Direwolf20/minecraft/bin/jinput.jar
Loading natives...
Natives loaded...
Loading minecraft class
mc = class net.minecraft.client.Minecraft