Minecraft forge 1.7.2 [closed]
![Minecraft forge 1.7.2 [closed] - Close-Up Shot of a Person Drilling a Metal](/assets/images/minecraft_forge_172_closed_0.jpeg "Minecraft forge 1.7.2 [closed] - Close-Up Shot of a Person Drilling a Metal")
When start minecraft forge 1.7.2 it prints some text and an error message and then instantly closes. It shows this:
[18:56:44] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[18:56:44] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[18:56:44] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[18:56:44] [main/INFO] [FML]: Forge Mod Loader version 7.2.211.1121 for Minecraft 1.7.2 loading
[18:56:44] [main/INFO] [FML]: Java is Java HotSpot(TM) Client VM, version 1.8.0_31, running on Windows 8:x86:6.2, installed at C:\Program Files (x86)\Java\jre1.8.0_31
[18:56:44] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[18:56:44] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[18:56:45] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[18:56:45] [main/ERROR] [LaunchWrapper]: Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_31]
at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_31]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:117) [launchwrapper-1.9.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
Java HotSpot(TM) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
Please tell me how to fix this ):
Pictures about "Minecraft forge 1.7.2 [closed]"
![Minecraft forge 1.7.2 [closed] - Closeup detail of ancient metal street lantern with weathered ornamental details on sunny day](/assets/images/minecraft_forge_172_closed_1.jpeg "Minecraft forge 1.7.2 [closed] - Closeup detail of ancient metal street lantern with weathered ornamental details on sunny day")
![Minecraft forge 1.7.2 [closed] - Exterior of stylish classic styled mansion with forged fence and elegant street lamps surrounded by lush green trees in daytime](/assets/images/minecraft_forge_172_closed_2.jpeg "Minecraft forge 1.7.2 [closed] - Exterior of stylish classic styled mansion with forged fence and elegant street lamps surrounded by lush green trees in daytime")
![Minecraft forge 1.7.2 [closed] - Smiling woman chatting on smartphone in park](/assets/images/minecraft_forge_172_closed_3.jpeg "Minecraft forge 1.7.2 [closed] - Smiling woman chatting on smartphone in park")
Why is forge not working Minecraft?
Minecraft Forge not installing on Windows 10 can be due to outdated or corrupted Java software or Windows firewall blocks. Some users might be able to fix Minecraft Forge not installing by reinstalling the required software. Changing firewall settings might help when Minecraft Forge won't install.Tutorial #4 come installare Minecraft forge 1.6.4 o 1.7.2
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: Tima Miroshnichenko, Francesco Ungaro, Maria Orlova, Andrea Piacquadio