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  • when I click login on the technic launcher pack and I wanna play voltz then it says THERE WAS A FATAL ERROR STARTING UP MINECRAFT AND FML

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    • Xytl
      Xytl removed this reply because:
      Profane language.
      15:39, June 23, 2014
      This reply has been removed
    • wish i knew how to fix

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    • what u need to do is click start and go on the search bar and type run then write %appdata% after that go on .techniclauncher and then voltz then temp and delete the natives.jar and reload technic laucher and log in itll download the natives.jar again and then itll load your game PS ive had this before this works for OS and Windows 7

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    • oh yeah its me again becareful with deleting the natives.jar because its a high chance to crash your computer (if its a laptop)

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    • thank you mate myn works fine now how do you know this? ive spent all morning on this website and finally its worked out perfect i did have a crash but it solved it :)

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    • i am using windows vista and i have the same problem any fixes?

      i have an error report if that helps

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    • please help me cant load voltz  2013-04-06 19:10:35 [INFO] [ForgeModLoader] Forge Mod Loader version 4.7.4.520 for Minecraft 1.4.7 loading 2013-04-06 19:10:36 [FINEST] [ForgeModLoader] All core mods are successfully located2013-04-06 19:10:36 [FINEST] [ForgeModLoader] Discovering coremods2013-04-06 19:10:36 [FINEST] [ForgeModLoader] Found a candidate coremod CodeChickenCore 0.7.1.0.jar2013-04-06 19:10:36 [FINEST] [ForgeModLoader] Loading coremod CodeChickenCore 0.7.1.0.jar2013-04-06 19:10:36 [FINEST] [ForgeModLoader] Loaded coremod CodeChickenCore 0.7.1.0.jar2013-04-06 19:10:36 [FINEST] [ForgeModLoader] Found a candidate coremod NotEnoughItems 1.4.5.1.jar2013-04-06 19:10:36 [FINEST] [ForgeModLoader] Loading coremod NotEnoughItems 1.4.5.1.jar2013-04-06 19:10:36 [FINEST] [ForgeModLoader] Loaded coremod NotEnoughItems 1.4.5.1.jar2013-04-06 19:10:36 [FINEST] [ForgeModLoader] Found library file argo-2.25.jar present and correct in lib dir2013-04-06 19:10:36 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/guava-12.0.1.jar2013-04-06 19:10:36 [INFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/guava-12.0.1.jar2013-04-06 19:10:45 [FINEST] [ForgeModLoader] Download complete2013-04-06 19:10:45 [INFO] [ForgeModLoader] Download complete2013-04-06 19:10:45 [FINEST] [ForgeModLoader] Library file guava-12.0.1.jar was downloaded and verified successfully2013-04-06 19:10:45 [FINEST] [ForgeModLoader] Found library file asm-all-4.0.jar present and correct in lib dir2013-04-06 19:10:45 [FINEST] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/bcprov-jdk15on-147.jar2013-04-06 19:10:45 [INFO] [ForgeModLoader] Downloading file http://files.minecraftforge.net/fmllibs/bcprov-jdk15on-147.jar2013-04-06 19:10:54 [FINEST] [ForgeModLoader] Download complete2013-04-06 19:10:54 [INFO] [ForgeModLoader] Download complete2013-04-06 19:10:54 [FINEST] [ForgeModLoader] Library file bcprov-jdk15on-147.jar was downloaded and verified successfully2013-04-06 19:10:59 [INFO] [STDERR] Exception thrown while initializing MineCraft.2013-04-06 19:10:59 [INFO] [STDERR] java.lang.RuntimeException: java.lang.NoClassDefFoundError: com/google/common/collect/Multimap2013-04-06 19:10:59 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:175)2013-04-06 19:10:59 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:242)2013-04-06 19:10:59 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:212)2013-04-06 19:10:59 [INFO] [STDERR] at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)2013-04-06 19:10:59 [INFO] [STDERR] at net.minecraft.Launcher.init(Launcher.java:115)2013-04-06 19:10:59 [INFO] [STDERR] at org.spoutcraft.launcher.gui.LauncherFrame.runGame(LauncherFrame.java:134)2013-04-06 19:10:59 [INFO] [STDERR] at org.spoutcraft.launcher.gui.LoginForm.runGame(LoginForm.java:884)2013-04-06 19:10:59 [INFO] [STDERR] at org.spoutcraft.launcher.gui.LoginForm$2$1.done(LoginForm.java:790)2013-04-06 19:10:59 [INFO] [STDERR] at javax.swing.SwingWorker$5.run(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.run(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at sun.swing.AccumulativeRunnable.run(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at javax.swing.Timer.fireActionPerformed(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at javax.swing.Timer$DoPostEvent.run(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.event.InvocationEvent.dispatch(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.EventQueue.dispatchEventImpl(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.EventQueue.access$200(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.EventQueue$3.run(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.EventQueue$3.run(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.security.AccessController.doPrivileged(Native Method)2013-04-06 19:10:59 [INFO] [STDERR] at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.EventQueue.dispatchEvent(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.EventDispatchThread.pumpEvents(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.EventDispatchThread.pumpEvents(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.awt.EventDispatchThread.run(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] Caused by: java.lang.NoClassDefFoundError: com/google/common/collect/Multimap2013-04-06 19:10:59 [INFO] [STDERR] at java.lang.Class.getDeclaredConstructors0(Native Method)2013-04-06 19:10:59 [INFO] [STDERR] at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.lang.Class.getConstructor0(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.lang.Class.newInstance0(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.lang.Class.newInstance(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at cpw.mods.fml.relauncher.RelaunchClassLoader.registerTransformer(RelaunchClassLoader.java:77)2013-04-06 19:10:59 [INFO] [STDERR] at cpw.mods.fml.relauncher.RelaunchLibraryManager.handleLaunch(RelaunchLibraryManager.java:238)2013-04-06 19:10:59 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLRelauncher.setupHome(FMLRelauncher.java:155)2013-04-06 19:10:59 [INFO] [STDERR] ... 27 more2013-04-06 19:10:59 [INFO] [STDERR] Caused by: java.lang.ClassNotFoundException: com.google.common.collect.Multimap2013-04-06 19:10:59 [INFO] [STDERR] at java.net.URLClassLoader$1.run(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.net.URLClassLoader$1.run(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.security.AccessController.doPrivileged(Native Method)2013-04-06 19:10:59 [INFO] [STDERR] at java.net.URLClassLoader.findClass(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:110)2013-04-06 19:10:59 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(Unknown Source)2013-04-06 19:10:59 [INFO] [STDERR] ... 35 more 

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    • so annoying!!!

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    • Just run it again, and it will fix itself. If not, reset the pack

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    • Almost 50% of the causes are from first time start ups just restart it and it should work

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    • ive done everything and i think we really need a fix soon or im just going to give up on this. Ive downloaded the links and replaced the files ive deleted the native.jar ive just tried reseting and restarting, nothing is working at all i and i think all of you are getting annoyed and i think we need to get a hold of someone from the technic launcher creators to see if anyone of them will update or solve this problem for i think the problem is with forge itself and they just need to fix that.

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    • I have managed to recreate this issue, and all I needed to do was launch Voltz again. However, can you give me some more information - eg. Operating system, Java version, pack version etc. Thanks

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    • I don't have this problem for voltz and a few other mod packs but many of them have this problem and i have no clue how to fi it i've tryed relaunching it redownloading it and rebooting my computer but nothing seems to work

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    • As I've said, generally just closing and reloading fixes it. However, if this fails, try updating Java or the technic launcher.

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    • Valid:
      Running C:\Program Files\Java\jre7\bin\javaw.exe -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1024m -XX:MaxPermSize=128m -Djava.library.path=C:\Users\mt\AppData\Roaming\.technic\voltz\bin\natives -Dminecraft.applet.TargetDirectory=C:\Users\mt\AppData\Roaming\.technic\voltz -cp C:\Users\mt\AppData\Roaming\.technic\cache\net\minecraft\launchwrapper\1.5\launchwrapper-1.5.jar;C:\Users\mt\AppData\Roaming\.technic\cache\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\mt\AppData\Roaming\.technic\cache\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\mt\AppData\Roaming\.technic\cache\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\mt\AppData\Roaming\.technic\cache\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\mt\AppData\Roaming\.technic\cache\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\mt\AppData\Roaming\.technic\cache\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\mt\AppData\Roaming\.technic\voltz\bin\modpack.jar;C:\Users\mt\AppData\Roaming\.technic\voltz\bin\minecraft.jar net.minecraft.launchwrapper.Launch Mtmateusz token:80810d7774de409db77083df2a24a721:dde722ff43c4426d8cbde7aeeb6300e9 --gameDir C:\Users\mt\AppData\Roaming\.technic\voltz --assetsDir C:\Users\mt\AppData\Roaming\.technic\assets
      Oct 21, 2013 5:41:14 PM net.minecraft.launchwrapper.LogWrapper log
      INFO: Using tweak class name net.minecraft.launchwrapper.VanillaTweaker
      Oct 21, 2013 5:41:15 PM net.minecraft.launchwrapper.LogWrapper log
      INFO: Launching wrapped minecraft
      2013-10-21 17:41:15 [INFO] [ForgeModLoader] Forge Mod Loader version 5.2.23.737 for Minecraft 1.5.2 loading
      2013-10-21 17:41:15 [INFO] [ForgeModLoader] Java is Java HotSpot(TM) Client VM, version 1.7.0_45, running on Windows 7:x86:6.1, installed at C:\Program Files\Java\jre7
      2013-10-21 17:41:15 [WARNING] [ForgeModLoader] The coremod codechicken.core.asm.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
      2013-10-21 17:41:15 [WARNING] [ForgeModLoader] The coremod codechicken.core.asm.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
      2013-10-21 17:41:16 [WARNING] [ForgeModLoader] The coremod cofh.asm.CoFHPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
      2013-10-21 17:41:16 [WARNING] [ForgeModLoader] The coremod micdoodle8.mods.galacticraft.asm.GalacticraftPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
      2013-10-21 17:41:16 [WARNING] [ForgeModLoader] The coremod mods.immibis.microblocks.coremod.MicroblocksCoreMod does not have a MCVersion annotation, it may cause issues with this version of Minecraft
      2013-10-21 17:41:16 [WARNING] [ForgeModLoader] The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
      2013-10-21 17:41:16 [WARNING] [ForgeModLoader] The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft

      Any Reason why my voltz isnt working? =(

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    • HI I tried Getting rid of the natives file on voltz and It did not work 


      PLEASE HELP! I WANT MY VOLTZ BACK

      Mac, Java=1.7.0_21!    HELP!

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    • i want help too

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    • I can put a tutorial together sometime on how to some this if it would help? All I need is for someone to upload a screenshot of the error...

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    • Mdann52 wrote:
      Just run it again, and it will fix itself. If not, reset the pack

      <Reply Deleted>

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    • Do not swear, especially at someone who has just offered to help.

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    • This worked for me.

      In the tecnic launcher menu, click the little gear under voltz and select reset modpack. It will reinstall all of the files for voltz and than open it normaly. Good luck!!

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    • Xytl
      Xytl removed this reply because:
      Unhelpful
      08:32, August 5, 2014
      This reply has been removed
    • i need help i reset my volts but when i click play is says Error installing the following pack: Voltz

      An error occurred while attempthing to delete 'C:\Users\Admin\AppData\Roaming\.teahnic\voltz\mods\appeng-rv11-czip' from the cache:

      Please check your system settings.

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    • voltz starts downloading but once it gets to installing mincraft assets it bombs out and nothing happens

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    • someone please help me with it.

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    • I'm having the same problem!

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    • A FANDOM user
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