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    I know nothing about computers & need help! (FTB failed to launch)

    The issue is that something else is messing with the config file, so it can't write to it, so it isn't related to being online or offline. AVG may still be monitoring files or something even when disabled; here's a guide to how to add an exception avg.com/ww-en/faq.num-5187 Add the entire ftb...
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    I know nothing about computers & need help! (FTB failed to launch)

    I have no idea, I don't use an antivirus :P Wait for someone else to respond, they'll probably know.
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    Windows .exe Direwolf 20 1.6.4 World Crashes

    Block location: World: (143,49,483), Chunk: (at 15,3,3 in 8,30; contains blocks 128,0,480 to 143,255,495), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Actual block type: ID #1513 (tile.null // logisticspipes.pipes.basic.LogisticsBlockGenericPipe) Somethings...
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    I know nothing about computers & need help! (FTB failed to launch)

    Add an exception in your antivirus or temporarily disable it.
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    Windows .exe When launching modpack,launcher closes

    Check the java pane in the control panel to see if there are any global parameters set there.
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    Java exception Launcher issue *please help*

    Exception in thread "main" java.lang.NoClassDefFoundError: joptsimple/OptionSpec You're missing joptsimple, not sure if this is packaged with java, the launcher, or some mod. I'm guessing it comes with the launcher. You can try redownloading it; if that doesn't work reinstall java. If that...
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    Error occures during downloading the game

    Try downgrading to java 6 http://forum.feed-the-beast.com/threads/ftb-unable-to-connect-to-anything.36542/
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    Biomes o plenty config resetting

    You could try making it so you only have read permission, disallowing minecraft to modify it. This could just cause your game to crash because it may be resetting them for a good reason; if this is the case, then you should contact the developers. Let me know if you don't know how to change...
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    issue with horizons

    [SEVERE] [Minecraft-Client] Reached end of stream for localhost/127.0.0.1 [INFO] [STDERR] net.minecraft.util.ReportedException: Ticking entity ... [INFO] [STDERR] Caused by: java.lang.ClassCastException: net.minecraft.enchantment.EnchantmentProtection cannot be cast to java.lang.Integer Try...
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    Magic Farm memory issues.

    You could try adding the options under advanced options in the options tab: -Xmx1350M -XX:MaxPermSize=128M If these stop it from launching you can lower the xmx option by decrements of 50 until it does work. If that doesn't help you can also try adding: -Xincgc You can also try using a different...
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    Fluxuating Memory Usage…?

    Yay :D If you do ever need to use those parameters though you could try it without the xmn option or try making the xmn option 1024M. Glad you figured it out :)
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    Error occures during downloading the game

    Address family not supported by protocol family: connect Try temporarily disabling your antivirus. #imgoingtohackyou
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    FTB Unleashed server crash

    java.lang.RuntimeException: java.util.zip.ZipException: Not in GZIP format at codechicken.enderstorage.api.EnderStorageManager.load(EnderStorageManager.java:157) There may be hope left in the world. While enderstorage data is corrupt, the rest of the world may be fine. You can try...
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    Windows .exe DW20 1.0.7 Crashbug

    [WARNING] [Minecraft-Client] Memory connection overburdened; after processing 2500 packets, we still have 226 to go! [INFO] [STDERR] Error while rendering: 1xtile.blockTable@2 [INFO] [STDERR] java.lang.NullPointerException Some sort of issue when rendering, may be related to the memory issue...
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    Windows .exe When launching modpack,launcher closes

    JVM Flags: 4 total; -Xms256M -Xmx6656M -XX:PermSize=256m -Xmx512M Go to the options tab and under advanced options it might have -Xmx512M at the end, if it is there, delete it; otherwise, add -Xmx2048M there.
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    Windows .jar Problem while loading packs

    [INFO] [STDERR] org.lwjgl.LWJGLException: Pixel format not accelerated ... [INFO] [STDOUT] A detailed walkthrough of the error, its code path and all known details is as follows: [INFO] [STDOUT] -- Head -- [INFO] [STDOUT] Stacktrace: [INFO] [STDOUT] at...
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    Windows .exe Unexpected end of ZLIB when trying to launch DW20 1.6.4

    [INFO] ModManager$ModManagerWorker.downloadModPack:160: Downloading Mod Pack [ERROR] LauncherConsole$OutputOverride.write:89: From Console: java.net.SocketTimeoutException: Read timed out ... [INFO] DownloadUtils.isValid:151: Local: 801AECB7EE2308C00AF2FAEEA4B820FF [INFO]...
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    Elevation issue

    This might be an antivirus issue, so if you have an av then you could try disabling it temporarily, or indefinitely. You can also try starting ftb with administrator privileges by right click and choosing start as administrator; this option might not be available so you may have to run the...
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    Java exception Launcher issue *please help*

    Open the command prompt by typing cmd in the start menu; then, type in "C:\Program Files\Java\jre7\bin\java.exe -jar "with a space after it and now quotes, then drag the ftb launcher jar or exe to the cmd windows and press enter. If it still doesn't work (which it probably wont) right click and...
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    Minecraft Saves not loading

    Post the log to pastebin. If the console is not enabled, you can enable it under the options tab of the launcher. This bold text hurts my eyes D: