Пробовал ставить разные версии java, бесполезно. Вылетает ошибка:
java.lang.NullPointerException
at net.minecraft.launcher.updater.ModpackIndex$ModpackObject.getPath(ModpackIndex.java:201)
at net.minecraft.launcher.updater.ModpackObjectDownloadable.(ModpackObjectDownloadable.java:25)
at com.voicenet.mlauncher.managers.ModpackManager.getResourceFiles(ModpackManager.java:131)
at com.voicenet.mlauncher.managers.ModpackManager.downloadResources(ModpackManager.java:102)
at com.voicenet.mlauncher.minecraft.launcher.MinecraftLauncher.downloadResources(MinecraftLauncher.java:545)
at com.voicenet.mlauncher.minecraft.launcher.MinecraftLauncher.collectInfo(MinecraftLauncher.java:499)
at com.voicenet.mlauncher.minecraft.launcher.MinecraftLauncher.start(MinecraftLauncher.java:284)
at com.voicenet.mlauncher.MLauncher.launch(MLauncher.java:428)
at com.voicenet.mlauncher.ui.login.LoginForm.runProcess(LoginForm.java:166)
at com.voicenet.mlauncher.ui.login.LoginForm.access$1(LoginForm.java:118)
at com.voicenet.mlauncher.ui.login.LoginForm$StartThread.iterateOnce(LoginForm.java:395)
at com.voicenet.util.async.LoopedThread.run(LoopedThread.java:45)
Thread called by: com.voicenet.util.async.ExtendedThread$ExtendedThreadCaller
at com.voicenet.util.async.ExtendedThread.(ExtendedThread.java:19)
at com.voicenet.util.async.LoopedThread.(LoopedThread.java:13)
at com.voicenet.util.async.LoopedThread.(LoopedThread.java:17)
at com.voicenet.mlauncher.ui.login.LoginForm$StartThread.(LoginForm.java:388)
at com.voicenet.mlauncher.ui.login.LoginForm.(LoginForm.java:87)
at com.voicenet.mlauncher.ui.scenes.DefaultScene.(DefaultScene.java:64)
at com.voicenet.mlauncher.ui.MainPane.(MainPane.java:72)
at com.voicenet.mlauncher.ui.MLauncherFrame.(MLauncherFrame.java:133)
at com.voicenet.mlauncher.MLauncher$3.run(MLauncher.java:208)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Дополнено (1). Ах, да, я моды со сборки в самом MLauncher'е ставил
Зайди в папку mods и посмотри, может не та версия стоит, такое часто происходит. Качаешь мод на 1.7.10, а оказывается, что этот мод на 1.7.2
Измени лаунчер на Tlauncher с MLauncher такое бывает.