Buenas,
Ando metiendo mods y al poner este en concreto minecraft no se inicia, se abre la ventanita en negro y desaparece.
Uso windows 8.1 y el java es la vers.7
Os dejo el reporte.


---- Minecraft Crash Report ----
// Shall we play a game?


Time: 24/05/15 21:10
Description: Initializing game


java.lang.NoClassDefFoundError: com/radixshock/radixcore/core/IUpdateChecker
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at cpw.mods.fml.common.FMLModContainer.constructMod(F MLModContainer.java:420)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventHandler.handleEven t(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandle r.handleEvent(SynchronizedEventHandler.java:47)
at com.google.common.eventbus.EventBus.dispatch(Event Bus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueued Events(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus. java:267)
at cpw.mods.fml.common.LoadController.sendEventToModC ontainer(LoadController.java:208)
at cpw.mods.fml.common.LoadController.propogateStateM essage(LoadController.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventHandler.handleEven t(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandle r.handleEvent(SynchronizedEventHandler.java:47)
at com.google.common.eventbus.EventBus.dispatch(Event Bus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueued Events(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus. java:267)
at cpw.mods.fml.common.LoadController.distributeState Message(LoadController.java:118)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:49 1)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraf tLoading(FMLClientHandler.java:204)
at net.minecraft.client.Minecraft.func_71384_a(Minecr aft.java:467)
at net.minecraft.client.Minecraft.func_99999_d(Minecr aft.java:815)
at net.minecraft.client.main.Main.main(SourceFile:103 )
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.j ava:134)
at net.minecraft.launchwrapper.Launch.main(Launch.jav a:28)
Caused by: java.lang.ClassNotFoundException: com.radixshock.radixcore.core.IUpdateChecker
at net.minecraft.launchwrapper.LaunchClassLoader.find Class(LaunchClassLoader.java:188)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 35 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.find Class(LaunchClassLoader.java:180)
... 37 more




A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------


-- Head --
Stacktrace:
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at cpw.mods.fml.common.FMLModContainer.constructMod(F MLModContainer.java:420)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventHandler.handleEven t(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandle r.handleEvent(SynchronizedEventHandler.java:47)
at com.google.common.eventbus.EventBus.dispatch(Event Bus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueued Events(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus. java:267)
at cpw.mods.fml.common.LoadController.sendEventToModC ontainer(LoadController.java:208)
at cpw.mods.fml.common.LoadController.propogateStateM essage(LoadController.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventHandler.handleEven t(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandle r.handleEvent(SynchronizedEventHandler.java:47)
at com.google.common.eventbus.EventBus.dispatch(Event Bus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueued Events(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus. java:267)
at cpw.mods.fml.common.LoadController.distributeState Message(LoadController.java:118)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:49 1)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraf tLoading(FMLClientHandler.java:204)
at net.minecraft.client.Minecraft.func_71384_a(Minecr aft.java:467)


-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecr aft.java:815)
at net.minecraft.client.main.Main.main(SourceFile:103 )
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.j ava:134)
at net.minecraft.launchwrapper.Launch.main(Launch.jav a:28)


-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_79, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 125780240 bytes (119 MB) / 301293568 bytes (287 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerform ance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.03 FML v7.2.211.1121 Minecraft Forge 10.12.2.1121 Optifine OptiFine_1.7.2_HD_U_D5 12 mods loaded, 12 mods active
mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
FML{7.2.211.1121} [Forge Mod Loader] (forge-1.7.2-10.12.2.1121.jar) Unloaded->Constructed
Forge{10.12.2.1121} [Minecraft Forge] (forge-1.7.2-10.12.2.1121.jar) Unloaded->Constructed
PlayerAPI{1.4} [Player API] (minecraft.jar) Unloaded->Constructed
SmartCore{1.0} [Smart Core] (minecraft.jar) Unloaded->Constructed
TooManyItems{1.7.2} [TooManyItems] (minecraft.jar) Unloaded->Constructed
BiblioCraft{1.8.2} [BiblioCraft] (BiblioCraft[v1.8.2][MC1.7.2].jar) Unloaded->Constructed
radixcore{1.2.0} [RadixCore] (RadixCore-1.2.0 MC-1.7.2.zip) Unloaded->Constructed
mca{4.1.2} [Minecraft Comes Alive] (MCA-4.1.2 MC-1.7.2.zip) Unloaded
SmartMoving{15.0.1} [Smart Moving] (SmartMoving-1.7.2-15.0.1.jar) Unloaded
SmartRender{2.0} [Smart Render] (SmartRender-1.7.2-2.0.jar) Unloaded
voxelmap{1.7.2} [VoxelMap] (voxelmap-1.7.2-1.0.jar) Unloaded
Launched Version: 1.7.2-Forge10.12.2.1121
LWJGL: 2.9.0
OpenGL: GeForce GTX 970/PCIe/SSE2 GL version 4.5.0 NVIDIA 352.86, NVIDIA Corporation
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: [Soartex_Fanver.zip]
Current Language: Español (España)
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
Anisotropic Filtering: Off (1)