Posted August 28, 201312 yr I am trying to use Forge with Minecraft 1.6.2. I use MagicLauncher. I selected the latest forge profile created by the installer in the 'Environment' dropdown, and even when I disable all mods, Minecraft will not even start. The window doesn't appear. I looked in the log from MagicLauncher and the one in the .minecraft folder, and the error that appears in both, is 2013-08-28 14:28:52 [sEVERE] [ForgeModLoader] A critical problem occurred registering the ASM transformer class net.minecraftforge.transformers.ForgeAccessTransformer I have read the EAQ and found no obvious solution, although I am following all the guidelines listed there. Here is the log from MagicLauncher: *** MagicMinecraftLauncher 1.1.7 *** LCP: ;C:\Users\Tom\AppData\Roaming\.minecraft\versions\1.6.2-Forge9.10.0.843\1.6.2-Forge9.10.0.843.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\net\minecraftforge\minecraftforge\9.10.0.843\minecraftforge-9.10.0.843.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\net\minecraft\launchwrapper\1.3\launchwrapper-1.3.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-library\2.10.2\scala-library-2.10.2.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.10.2\scala-compiler-2.10.2.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\lzma\lzma\0.0.1\lzma-0.0.1.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\argo\argo\2.25_fixed\argo-2.25_fixed.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\bouncycastle\bcprov-jdk15on\1.47\bcprov-jdk15on-1.47.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\14.0\guava-14.0.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.2\gson-2.2.2.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.0\lwjgl-platform-2.9.0-natives-windows.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1-nightly-20130708-debug3\lwjgl-2.9.1-nightly-20130708-debug3.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1-nightly-20130708-debug3\lwjgl_util-2.9.1-nightly-20130708-debug3.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1-nightly-20130708-debug3\lwjgl-platform-2.9.1-nightly-20130708-debug3-natives-windows.jar;C:\Users\Tom\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar ShowLog: true WindowMaximized: true InactiveExtMods: Pixelmon 2.3.1.zip MainClass: net.minecraft.launchwrapper.Launch Restoring disabled mods: mods Disable inactive mods: mods Disabled: Pixelmon 2.3.1.zip Restoring disabled mods: coremods Disable inactive mods: coremods Aug 28, 2013 2:28:52 PM net.minecraft.launchwrapper.LogWrapper log INFO: Using tweak class name cpw.mods.fml.common.launcher.FMLTweaker 2013-08-28 14:28:52 [iNFO] [ForgeModLoader] Forge Mod Loader version 6.2.57.843 for Minecraft 1.6.2 loading 2013-08-28 14:28:52 [iNFO] [ForgeModLoader] Java is Java HotSpot 64-Bit Server VM, version 1.7.0_21, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre7 2013-08-28 14:28:52 [iNFO] [sTDOUT] Loaded 39 rules from AccessTransformer config file fml_at.cfg 2013-08-28 14:28:52 [sEVERE] [ForgeModLoader] A critical problem occurred registering the ASM transformer class net.minecraftforge.transformers.ForgeAccessTransformer java.lang.ClassNotFoundException: net.minecraftforge.transformers.ForgeAccessTransformer at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(LaunchClassLoader.java:81) at cpw.mods.fml.relauncher.CoreModManager.injectTransformers(CoreModManager.java:402) at cpw.mods.fml.relauncher.FMLLaunchHandler.injectPostfixTransformers(FMLLaunchHandler.java:108) at cpw.mods.fml.relauncher.FMLLaunchHandler.appendCoreMods(FMLLaunchHandler.java:113) at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:80) at net.minecraft.launchwrapper.Launch.launch(Launch.java:51) at net.minecraft.launchwrapper.Launch.main(Launch.java:18) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at magic.launcher.Launcher.main(Unknown Source) Caused by: java.lang.NoClassDefFoundError: LZMA/LzmaInputStream at cpw.mods.fml.common.asm.transformers.PatchingTransformer.transform(PatchingTransformer.java:10) at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:267) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:165) ... 14 more Caused by: java.lang.ClassNotFoundException: LZMA.LzmaInputStream at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:99) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 17 more 2013-08-28 14:28:52 [sEVERE] [ForgeModLoader] A critical problem occurred registering the ASM transformer class net.minecraftforge.transformers.EventTransformer java.lang.ClassNotFoundException: net.minecraftforge.transformers.EventTransformer at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(LaunchClassLoader.java:81) at cpw.mods.fml.relauncher.CoreModManager.injectTransformers(CoreModManager.java:402) at cpw.mods.fml.relauncher.FMLLaunchHandler.injectPostfixTransformers(FMLLaunchHandler.java:108) at cpw.mods.fml.relauncher.FMLLaunchHandler.appendCoreMods(FMLLaunchHandler.java:113) at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:80) at net.minecraft.launchwrapper.Launch.launch(Launch.java:51) at net.minecraft.launchwrapper.Launch.main(Launch.java:18) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at magic.launcher.Launcher.main(Unknown Source) Caused by: java.lang.NoClassDefFoundError: LZMA/LzmaInputStream at cpw.mods.fml.common.asm.transformers.PatchingTransformer.transform(PatchingTransformer.java:10) at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:267) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:165) ... 14 more Caused by: java.lang.ClassNotFoundException: LZMA.LzmaInputStream at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:99) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 17 more 2013-08-28 14:28:52 [sEVERE] [ForgeModLoader] Unable to launch java.lang.RuntimeException: java.lang.ClassNotFoundException: cpw.mods.fml.common.asm.FMLSanityChecker at cpw.mods.fml.relauncher.CoreModManager.injectTransformers(CoreModManager.java:433) at cpw.mods.fml.relauncher.FMLLaunchHandler.injectPostfixTransformers(FMLLaunchHandler.java:108) at cpw.mods.fml.relauncher.FMLLaunchHandler.appendCoreMods(FMLLaunchHandler.java:113) at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:80) at net.minecraft.launchwrapper.Launch.launch(Launch.java:51) at net.minecraft.launchwrapper.Launch.main(Launch.java:18) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at magic.launcher.Launcher.main(Unknown Source) Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.common.asm.FMLSanityChecker at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at cpw.mods.fml.relauncher.CoreModManager.injectTransformers(CoreModManager.java:422) ... 10 more Caused by: java.lang.NoClassDefFoundError: LZMA/LzmaInputStream at cpw.mods.fml.common.asm.transformers.PatchingTransformer.transform(PatchingTransformer.java:10) at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:267) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:165) ... 15 more Caused by: java.lang.ClassNotFoundException: LZMA.LzmaInputStream at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:99) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 18 more 2013-08-28 14:28:52 [iNFO] [sTDOUT] *** Main class main() finished *** And here is the one from the .minecraft folder: 2013-08-28 14:28:52 [iNFO] [ForgeModLoader] Forge Mod Loader version 6.2.57.843 for Minecraft 1.6.2 loading 2013-08-28 14:28:52 [iNFO] [ForgeModLoader] Java is Java HotSpot 64-Bit Server VM, version 1.7.0_21, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre7 2013-08-28 14:28:52 [FINE] [ForgeModLoader] Java classpath at launch is /C:/Users/Tom/Downloads/MagicLauncher_1.1.7.exe 2013-08-28 14:28:52 [FINE] [ForgeModLoader] Java library path at launch is C:\Users\Tom\AppData\Roaming\.minecraft\versions\1.6.2-Forge9.10.0.843/1.6.2-Forge9.10.0.843-natives 2013-08-28 14:28:52 [FINE] [ForgeModLoader] Enabling runtime deobfuscation 2013-08-28 14:28:52 [FINE] [ForgeModLoader] Instantiating coremod class FMLCorePlugin 2013-08-28 14:28:52 [FINE] [ForgeModLoader] Loaded coremod FMLCorePlugin 2013-08-28 14:28:52 [FINE] [ForgeModLoader] Instantiating coremod class FMLForgePlugin 2013-08-28 14:28:52 [FINE] [ForgeModLoader] Loaded coremod FMLForgePlugin 2013-08-28 14:28:52 [FINE] [ForgeModLoader] All fundamental core mods are successfully located 2013-08-28 14:28:52 [FINE] [ForgeModLoader] Discovering coremods 2013-08-28 14:28:52 [FINEST] [ForgeModLoader] Registering transformer cpw.mods.fml.common.asm.transformers.AccessTransformer 2013-08-28 14:28:52 [iNFO] [sTDOUT] Loaded 39 rules from AccessTransformer config file fml_at.cfg 2013-08-28 14:28:52 [FINEST] [ForgeModLoader] Registering transformer cpw.mods.fml.common.asm.transformers.MarkerTransformer 2013-08-28 14:28:52 [FINEST] [ForgeModLoader] Registering transformer cpw.mods.fml.common.asm.transformers.SideTransformer 2013-08-28 14:28:52 [FINEST] [ForgeModLoader] Registering transformer net.minecraftforge.transformers.ForgeAccessTransformer 2013-08-28 14:28:52 [sEVERE] [ForgeModLoader] A critical problem occurred registering the ASM transformer class net.minecraftforge.transformers.ForgeAccessTransformer java.lang.ClassNotFoundException: net.minecraftforge.transformers.ForgeAccessTransformer at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(LaunchClassLoader.java:81) at cpw.mods.fml.relauncher.CoreModManager.injectTransformers(CoreModManager.java:402) at cpw.mods.fml.relauncher.FMLLaunchHandler.injectPostfixTransformers(FMLLaunchHandler.java:108) at cpw.mods.fml.relauncher.FMLLaunchHandler.appendCoreMods(FMLLaunchHandler.java:113) at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:80) at net.minecraft.launchwrapper.Launch.launch(Launch.java:51) at net.minecraft.launchwrapper.Launch.main(Launch.java:18) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at magic.launcher.Launcher.main(Unknown Source) Caused by: java.lang.NoClassDefFoundError: LZMA/LzmaInputStream at cpw.mods.fml.common.asm.transformers.PatchingTransformer.transform(PatchingTransformer.java:10) at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:267) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:165) ... 14 more Caused by: java.lang.ClassNotFoundException: LZMA.LzmaInputStream at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:99) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 17 more 2013-08-28 14:28:52 [FINEST] [ForgeModLoader] Registering transformer net.minecraftforge.transformers.EventTransformer 2013-08-28 14:28:52 [sEVERE] [ForgeModLoader] A critical problem occurred registering the ASM transformer class net.minecraftforge.transformers.EventTransformer java.lang.ClassNotFoundException: net.minecraftforge.transformers.EventTransformer at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(LaunchClassLoader.java:81) at cpw.mods.fml.relauncher.CoreModManager.injectTransformers(CoreModManager.java:402) at cpw.mods.fml.relauncher.FMLLaunchHandler.injectPostfixTransformers(FMLLaunchHandler.java:108) at cpw.mods.fml.relauncher.FMLLaunchHandler.appendCoreMods(FMLLaunchHandler.java:113) at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:80) at net.minecraft.launchwrapper.Launch.launch(Launch.java:51) at net.minecraft.launchwrapper.Launch.main(Launch.java:18) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at magic.launcher.Launcher.main(Unknown Source) Caused by: java.lang.NoClassDefFoundError: LZMA/LzmaInputStream at cpw.mods.fml.common.asm.transformers.PatchingTransformer.transform(PatchingTransformer.java:10) at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:267) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:165) ... 14 more Caused by: java.lang.ClassNotFoundException: LZMA.LzmaInputStream at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:99) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 17 more 2013-08-28 14:28:52 [FINE] [ForgeModLoader] Running coremod plugins 2013-08-28 14:28:52 [FINE] [ForgeModLoader] Running coremod plugin FMLCorePlugin 2013-08-28 14:28:52 [sEVERE] [ForgeModLoader] Unable to launch java.lang.RuntimeException: java.lang.ClassNotFoundException: cpw.mods.fml.common.asm.FMLSanityChecker at cpw.mods.fml.relauncher.CoreModManager.injectTransformers(CoreModManager.java:433) at cpw.mods.fml.relauncher.FMLLaunchHandler.injectPostfixTransformers(FMLLaunchHandler.java:108) at cpw.mods.fml.relauncher.FMLLaunchHandler.appendCoreMods(FMLLaunchHandler.java:113) at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:80) at net.minecraft.launchwrapper.Launch.launch(Launch.java:51) at net.minecraft.launchwrapper.Launch.main(Launch.java:18) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at magic.launcher.Launcher.main(Unknown Source) Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.common.asm.FMLSanityChecker at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at cpw.mods.fml.relauncher.CoreModManager.injectTransformers(CoreModManager.java:422) ... 10 more Caused by: java.lang.NoClassDefFoundError: LZMA/LzmaInputStream at cpw.mods.fml.common.asm.transformers.PatchingTransformer.transform(PatchingTransformer.java:10) at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:267) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:165) ... 15 more Caused by: java.lang.ClassNotFoundException: LZMA.LzmaInputStream at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:99) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 18 more 2013-08-28 14:28:52 [iNFO] [sTDOUT] *** Main class main() finished *** 2013-08-28 14:48:29 [iNFO] [sTDOUT] No visible frames left, exit() 2013-08-28 14:48:29 [iNFO] [sTDOUT] Restoring disabled mods: mods 2013-08-28 14:48:29 [iNFO] [sTDOUT] Restoring disabled mods: coremods I hope someone can help me fix this. I don't have any experience in coding mods but I do have a certain degree of common sense, so I'll try to understand whatever you guys come up with. Thanks in advance.
August 28, 201312 yr Don't use Magic Launcher, use the normal Forge installer and the normal Mojang launcher. I do Forge for free, however the servers to run it arn't free, so anything is appreciated. Consider supporting the team on Patreon
August 29, 201312 yr Author Ah, thanks. That worked. I don't know why I didn't think of trying that before! Odd that Magic Launcher should have a problem with it though.
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