I am getting this error when I try to run Minecraft. I ran it with Forge and 10 mods installed earlier with no problems, but after I tried (and failed) to install Optifine, I get this error.
Launching game
Looking for old natives to clean up...
Unpacking natives to C:\Users\Michelle\AppData\Roaming\.minecraft\versions\mod\mod-natives-32459135108115
Launching in C:\Users\Michelle\AppData\Roaming\.minecraft
Running C:\Program Files (x86)\Java\jre7\bin\javaw.exe -Xmx1G -Dfml.ignoreInvalidMinecraftCertificates=true -Dfml.ignorePatchDiscrepancies=true -Djava.library.path=C:\Users\Michelle\AppData\Roaming\.minecraft\versions\mod\mod-natives-32459135108115 -cp C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\net\minecraftforge\minecraftforge\9.10.0.789\minecraftforge-9.10.0.789.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\net\minecraft\launchwrapper\1.3\launchwrapper-1.3.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-library\2.10.2\scala-library-2.10.2.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.10.2\scala-compiler-2.10.2.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\lzma\lzma\0.0.1\lzma-0.0.1.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\argo\argo\2.25_fixed\argo-2.25_fixed.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\org\bouncycastle\bcprov-jdk15on\1.47\bcprov-jdk15on-1.47.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\14.0\guava-14.0.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.2\gson-2.2.2.jar;C:\Users\Michelle\AppData\Roaming\.minecraft\versions\mod\mod.jar net.minecraft.launchwrapper.Launch --username degrief --session token:dd4eff32ee5f4f94877c7ec5d3c263cd:65c79e98cfa7462e962c43e0a364a663 --version mod --gameDir C:\Users\Michelle\AppData\Roaming\.minecraft --assetsDir C:\Users\Michelle\AppData\Roaming\.minecraft\assets --tweakClass cpw.mods.fml.common.launcher.FMLTweaker
Client> Jul 23, 2013 11:07:44 PM net.minecraft.launchwrapper.LogWrapper log
Client> INFO: Using tweak class name cpw.mods.fml.common.launcher.FMLTweaker
Client> 2013-07-23 23:07:44 [INFO] [ForgeModLoader] Forge Mod Loader version 6.2.19.789 for Minecraft 1.6.2 loading
Client> 2013-07-23 23:07:44 [INFO] [ForgeModLoader] Java is Java HotSpot(TM) Client VM, version 1.7.0_25, running on Windows 7:x86:6.1, installed at C:\Program Files (x86)\Java\jre7
Client> 2013-07-23 23:07:44 [INFO] [STDOUT] Loaded 39 rules from AccessTransformer config file fml_at.cfg
Client> 2013-07-23 23:07:45 [INFO] [STDOUT] Loaded 107 rules from AccessTransformer config file forge_at.cfg
Client> 2013-07-23 23:07:45 [WARNING] [ForgeModLoader] Problem loading class
Client> java.lang.SecurityException: SHA1 digest error for aui.class
Client> at sun.security.util.ManifestEntryVerifier.verify(Unknown Source)
Client> at java.util.jar.JarVerifier.processEntry(Unknown Source)
Client> at java.util.jar.JarVerifier.update(Unknown Source)
Client> at java.util.jar.JarVerifier$VerifierStream.read(Unknown Source)
Client> at java.io.FilterInputStream.read(Unknown Source)
Client> at net.minecraft.launchwrapper.LaunchClassLoader.readFully(LaunchClassLoader.java:289)
Client> at net.minecraft.launchwrapper.LaunchClassLoader.getClassBytes(LaunchClassLoader.java:354)
Client> at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.getFieldType(FMLDeobfuscatingRemapper.java:215)
Client> at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.parseField(FMLDeobfuscatingRemapper.java:196)
Client> at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.setup(FMLDeobfuscatingRemapper.java:157)
Client> at cpw.mods.fml.common.asm.FMLSanityChecker.injectData(FMLSanityChecker.java:220)
Client> at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:167)
Client> at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
Client> at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
Client> at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
Client> at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:76)
Client> at net.minecraft.launchwrapper.Launch.launch(Launch.java:51)
Client> at net.minecraft.launchwrapper.Launch.main(Launch.java:18)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] java.lang.RuntimeException: java.lang.ArrayIndexOutOfBoundsException: 6
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:172)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:76)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.launch(Launch.java:51)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.main(Launch.java:18)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] Caused by: java.lang.ArrayIndexOutOfBoundsException: 6
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at org.objectweb.asm.ClassReader.readShort(Unknown Source)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at org.objectweb.asm.ClassReader.<init>(Unknown Source)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at org.objectweb.asm.ClassReader.<init>(Unknown Source)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.getFieldType(FMLDeobfuscatingRemapper.java:220)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.parseField(FMLDeobfuscatingRemapper.java:196)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.setup(FMLDeobfuscatingRemapper.java:157)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at cpw.mods.fml.common.asm.FMLSanityChecker.injectData(FMLSanityChecker.java:220)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:167)
Client> 2013-07-23 23:07:45 [INFO] [STDERR] ... 6 more
Client> 2013-07-23 23:07:45 [SEVERE] [ForgeModLoader] An error occurred trying to configure the minecraft home at C:\Users\Michelle\AppData\Roaming\.minecraft for Forge Mod Loader
Client> java.lang.RuntimeException: java.lang.ArrayIndexOutOfBoundsException: 6
Client> at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:172)
Client> at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
Client> at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
Client> at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
Client> at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:76)
Client> at net.minecraft.launchwrapper.Launch.launch(Launch.java:51)
Client> at net.minecraft.launchwrapper.Launch.main(Launch.java:18)
Client> Caused by: java.lang.ArrayIndexOutOfBoundsException: 6
Client> at org.objectweb.asm.ClassReader.readShort(Unknown Source)
Client> at org.objectweb.asm.ClassReader.<init>(Unknown Source)
Client> at org.objectweb.asm.ClassReader.<init>(Unknown Source)
Client> at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.getFieldType(FMLDeobfuscatingRemapper.java:220)
Client> at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.parseField(FMLDeobfuscatingRemapper.java:196)
Client> at cpw.mods.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.setup(FMLDeobfuscatingRemapper.java:157)
Client> at cpw.mods.fml.common.asm.FMLSanityChecker.injectData(FMLSanityChecker.java:220)
Client> at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:167)
Client> ... 6 more
Game ended with no troubles detected (exit code 0)
Deleting C:\Users\Michelle\AppData\Roaming\.minecraft\versions\mod\mod-natives-32459135108115
Thanks in advance.