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    FTB Infinity updated and now can't connect to server (Timed Out)

    Reposting for others ;) [20:13:38] <Berengal> Using Infinity 1.7, I get disconnected right away when joining my server. The problem seems to be identical to the problem solved in http://forum.feed-the-beast.com/threads/ftb-infinity-updated-and-now-cant-connect-to-server-timed-out.98461/ but the...
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    World Crashed and Disappeared from In game Menu

    Minecraft only looks for level.dat, the others are old/backup copies, so rename one of those to level.dat and try it
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    World Crashed and Disappeared from In game Menu

    Most likely, your save's level.dat is corrupt. (FTB Install path \ Pack name \ minecraft \ saves \ Save Name) This file doesn't change much, so if you have a backup copy of your save, just take it from there. If you don't have a backup, you can try the level.dat_old, renaming it to level.dat...
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    Would you build this?

    Yes. Please Yes. ASAP. I love you.
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    64-bit Java problem

    If you're absolutely sure you have 64-bit Java 7 installed, and it exists in C:\Program Files\Java\jre7, then try this file: https://www.dropbox.com/s/nzjw3k8reus6sao/jre7x64.reg That will create the registry entries that the FTB launcher looks for when searching for Java versions on your...
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    Monster won't launch! (w/ forge log data)

    Most often this means your install path was not valid. It happens when you try to install packs onto your desktop, or into a folder containing special characters. Change the Install path in the FTB Launcher's options tab to your Downloads folder, or make a new folder for FTB on C:\, then try...
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    Issues with connecting? Please report them here.

    For those still unsure, this issue is caused by the host new.creeperrepo.net being unavailable to many users around the world. This is a CreeperHost problem outside of FTB's control, and is being worked on, but seeing as this is the third or fourth time we've seen this issue in as many months...
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    JVM Arguments for Modded Minecraft (Updated 12/30/13)

    Normally the JVM runs entirely interpreted at first, profiling methods as it goes, then compiles the most frequently executed methods, using information from the profiler to optimize how it compiles each method. TieredCompilation allows the JVM to use compiled instead of interpreted methods...
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    JVM Arguments for Modded Minecraft (Updated 12/30/13)

    TieredCompilation is to improve _startup_ performance, it will actually *hurt* runtime performance, quite a bit in some cases. It's designed for services that have a very short lifetime (a minute or less) so they don't take forever to startup when they don't need aggressive runtime...
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    Bug Report: Server download links in 1.2.7 launcher don't work

    The new launcher is giving links such as: http://losangeles1.creeperrepo.net/FTB2/modpacks%5EUnleashed%5E1_1_4%5EUnleashed-server.zip which should be: http://losangeles1.creeperrepo.net/FTB2/modpacks/Unleashed/1_1_4/Unleashed-server.zip Part of the address is URL encoded when it shouldn't...
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    Java Issues

    Any anti-virus or firewall software running on your PC? Try disabling those temporarily. The error is: java.net.SocketException: Invalid argument: connect If you search for this error, you'll see its a Java level issue, not something specifically to do with Minecraft or FTB. At this point it...
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    Java Issues

    Did you reboot your pc? If so, then it appears you don't have any IPv4 support available. You can check this if you open a command prompt, and try the command "ping 8.8.8.8" without quotes. If you get messages that say reply from 8.8.8.8, i'm wrong, and come back here. If you get request timed...
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    Modular Power suit Bug !! plz Help

    Blame optifine! Kill it with fire! Most players report improvements by editing configs/machinemuse/mmmPowerSuits.cfg to disable the fancy font engine and font antialiasing, but the better fix is to stop using Optifine with Forge mods, Forge has a number of hacks and patches included to stop...
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    Windows .exe Java error! Help!! Network is unreachable...

    Yep thats the correct fix, but you should still fix your java situation too. The problem there is you have both 32 bit and 64 bit java on your system. When you updated the 64 bit Java, it didnt update the 32 bit one, which is what FTB seems to be using. 64 bit Java can do everything, there's...
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    Windows .exe Java crashing it FTB - Log submitted here

    crash at org.lwjgl.openal.AL10.alSourcei Usually a corrupt sound file. Use the force update button in the launcher options tab, then try the pack again.
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    Java Issues

    Not an uncommon issue. It's because your system is trying to use IPv6 instead of IPv4, and the FTB launcher is still stuck in the dark ages :P You can set Java to prefer IPv4 (but still allow IPv6 when needed), by using the option -Djava.net.preferIPv4Stack=true Because it can be a pain to...
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    Offline help.

    Looks like the problem is because you aren't actually offline. The launcher is still trying to fetch updated news and pack information, and instead of getting a timeout error (which it could handle), it's getting a Motel 6 payment portal page (which it can't understand.) Try unplugging any...
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    Really low TPS on server

    Try the TickProfiler mod. Just drop it in your server's mods folder and restart it. You can generate profiles at any time using /profile, but I recommend trying out the computercraft script it comes with - you need to edit the tickprofiler config to add the computer's ID, but it makes for a...
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    Windows .jar Unleashed modpack wont download

    see: cant get the ftb launcher
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    Modpacks Won't Download

    see: cant get the ftb launcher