decompile crash

================ Forge ModLoader Setup Start ===================
Checking MCP zip (may take time to download)
Extracting MCP to 'C:\Users\Ben\Documents\development\1.6.X\forge-1.6.2\mcp'
Setting up MCP
Patching commands.py
patching file commands.py
    Commands patch applied successfully
Copying FML conf
Creating Repackaged data
    Creating re-packaged srg
    Creating re-packaged exc
    Creating re-packaged MCP patches
Fixing MCP Workspace
Downloading 42 libraries
    launchwrapper-1.3.jar Done
    asm-all-4.1.jar Done
    asm-all-4.1-sources.jar Done
    scala-library-2.10.2.jar Done
    scala-library-2.10.2-sources.jar Done
    scala-compiler-2.10.2.jar Done
    scala-compiler-2.10.2-sources.jar Done
    jopt-simple-4.5.jar Done
    jopt-simple-4.5-sources.jar Done
    lzma-0.0.1.jar Done
    codecjorbis-20101023.jar Done
    codecwav-20101023.jar Done
    libraryjavasound-20101123.jar Done
    librarylwjglopenal-20100824.jar Done
    soundsystem-20120107.jar Done
    lwjgl-2.9.0.jar Done
    lwjgl-2.9.0-sources.jar Done
    lwjgl_util-2.9.0.jar Done
    lwjgl_util-2.9.0-sources.jar Done
    argo-2.25_fixed.jar Done
    argo-2.25.jar Done
    argo-2.25-sources.jar Done
    bcprov-jdk15on-1.47.jar Done
    bcprov-jdk15on-1.47-sources.jar Done
    guava-14.0.jar Done
    guava-14.0-sources.jar Done
    commons-lang3-3.1.jar Done
    commons-lang3-3.1-sources.jar Done
    commons-io-2.4.jar Done
    commons-io-2.4-sources.jar Done
    jinput-2.0.5.jar Done
    jinput-2.0.5-sources.jar Done
    jutils-1.0.0.jar Done
    jutils-1.0.0-sources.jar Done
    gson-2.2.2.jar Done
    gson-2.2.2-sources.jar Done
    lwjgl-platform-2.9.0-natives-windows.jar Done
        Extracting OpenAL32.dll
        Extracting OpenAL64.dll
        Extracting lwjgl.dll
        Extracting lwjgl64.dll
    lwjgl-platform-2.9.0-natives-osx.jar Done
        Extracting liblwjgl.jnilib
        Extracting openal.dylib
    lwjgl-platform-2.9.0-natives-linux.jar Done
        Extracting liblwjgl.so
        Extracting liblwjgl64.so
        Extracting libopenal.so
        Extracting libopenal64.so
    jinput-platform-2.0.5-natives-windows.jar Done
        Extracting jinput-dx8.dll
        Extracting jinput-dx8_64.dll
        Extracting jinput-raw.dll
        Extracting jinput-raw_64.dll
        Extracting jinput-wintab.dll
    jinput-platform-2.0.5-natives-osx.jar Done
        Extracting libjinput-osx.jnilib
    jinput-platform-2.0.5-natives-linux.jar Done
        Extracting libjinput-linux.so
        Extracting libjinput-linux64.so
Backing up client
Download of 1.6.2.jar failed md5 check, deleting
Backing up server
Downloaded minecraft_server.1.6.2.jar
Something failed verifying minecraft files, see log for details.
Decompile Exception: 1
Press any key to continue . . .