So a couple of my friends and I wanted to start playing the Golden Cobblestone modpack, and they downloaded it fine. But when I tried, it simply wouldn't open. I'm on a 64 bit computer with 8gb of ram, all my java is up to date, and I have no other issues with other games. Whenever I open a pack, it says in the console: 

 

[13/2/2017 18:10:16 PM] Launching pack The Golden Cobblestone 1.0.8 for Minecraft 1.7.10
[13/2/2017 18:10:16 PM] Launching Minecraft with the following arguments (user related stuff has been removed): [C:\Program Files\Java\jre7\bin\javaw, -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump, -XX:-OmitStackTraceInFastThrow, -Xms256M, -Xmx4096M, -XX:PermSize=256M, -Duser.language=en, -Duser.country=US, -Dfml.log.level=INFO, -XX:+UseConcMarkSweepGC, -XX:+CMSIncrementalMode, -XX:-UseAdaptiveSizePolicy, -Djava.library.path=USERSDIR\Instances\TheGoldenCobblestone\bin\natives, -cp, USERSDIR\ATLauncher (1).exe;anything;USERSDIR\Instances\TheGoldenCobblestone\jarmods\forge-1.7.10-10.13.4.1558-1.7.10-universal.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\launchwrapper-1.12.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\asm-all-5.0.3.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\akka-actor_2.11-2.3.3.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\config-1.2.1.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\scala-actors-migration_2.11-1.1.0.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\scala-compiler-2.11.1.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\scala-continuations-library_2.11-1.0.2.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\scala-continuations-plugin_2.11.1-1.0.2.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\scala-library-2.11.1.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\scala-parser-combinators_2.11-1.0.1.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\scala-reflect-2.11.1.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\scala-swing_2.11-1.0.1.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\scala-xml_2.11-1.0.2.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\lzma-0.0.1.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\jopt-simple-4.5.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\guava-17.0.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\commons-lang3-3.3.2.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\netty-1.6.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\realms-1.3.5.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\commons-compress-1.8.1.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\httpclient-4.3.3.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\commons-logging-1.1.3.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\httpcore-4.3.2.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\vecmath-1.3.1.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\trove4j-3.0.3.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\icu4j-core-mojang-51.2.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\codecjorbis-20101023.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\codecwav-20101023.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\libraryjavasound-20101123.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\librarylwjglopenal-20100824.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\soundsystem-20120107.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\netty-all-4.0.10.Final.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\commons-io-2.4.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\commons-codec-1.9.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\jinput-2.0.5.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\jutils-1.0.0.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\gson-2.2.4.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\authlib-1.5.21.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\log4j-api-2.0-beta9.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\log4j-core-2.0-beta9.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\lwjgl-2.9.1.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\lwjgl_util-2.9.1.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\twitch-5.16.jar;USERSDIR\Instances\TheGoldenCobblestone\bin\minecraft.jar, net.minecraft.launchwrapper.Launch, --username, REDACTED, --version, 1.7.10, --gameDir, USERSDIR\Instances\TheGoldenCobblestone, --assetsDir, USERSDIR\Configs\Resources, --assetIndex, 1.7.10, --uuid, d112b21e16da463dbcf83c46bcf99578, --accessToken, REDACTED, --userProperties, REDACTED, --userType, mojang, --width=1920, --height=1080, --tweakClass=cpw.mods.fml.common.launcher.FMLTweaker]
[13/2/2017 18:10:17 PM] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[13/2/2017 18:10:17 PM] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[13/2/2017 18:10:17 PM] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[13/2/2017 18:10:17 PM] [main/INFO] [FML]: Forge Mod Loader version 7.99.36.1558 for Minecraft 1.7.10 loading
[13/2/2017 18:10:17 PM] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_79, running on Windows 8.1:amd64:6.3, installed at C:\Program Files\Java\jre7
[13/2/2017 18:10:17 PM] [main/WARN] [FML]: The coremod am2.preloader.AM2PreloaderContainer does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[13/2/2017 18:10:17 PM] [main/INFO] [ArsMagica2]: Core initializing...stand back!  I'm going to try MAGIC!
[13/2/2017 18:10:17 PM] [main/INFO] [FML]: [AppEng] Core Init
[13/2/2017 18:10:17 PM] [main/WARN] [FML]: The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[13/2/2017 18:10:19 PM] Checking for updated files!
[13/2/2017 18:10:19 PM] No updates found!
[13/2/2017 18:10:39 PM] Copied Log to clipboard

 

I've tried every single video I could find related to my topic and none of them worked. I would really appreciate it if someone could help me.   

Forge 1.7.10 is no longer supported.