таже фигня захожу на RPG сервер потом появляется вот эта фигня:
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem; Unexpected error
A full error report has been saved to C:\Users\Сергей\AppData\Roaming\.greencubes_rpg\crash-reports\crash-2013-04-12_10.49.32-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash

--- BEGIN ERROR REPORT a955fd16 --------
Full report at:
C:\Users\Сергей\AppData\Roaming\.greencubes_rpg\crash-reports\crash-2013-04-12_10.49.32-client.txt
Please show that file to Mojang, NOT just this screen!
Generated 12.04.13 10:49
-- System Details --
Details:
Minecraft Version: 1.4.5
Operating System: Windows Vista (x86) version 6.1
Java Version: 1.6.0_03, Sun Microsystems Inc.
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
Memory: 492712320 bytes (469 MB) / 533528576 bytes (508 MB) up to 533528576 bytes (508 MB)
JVM Flags: 3 total; -Xms512M -Xmx512M -Xincgc
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: ModLoader, EntityRendererProxy, ModTextureStatic, ...[com.pclewis.mcpatcher.MCPatcherUtils, ChangeHandler, TexturePackAPI], [com.pclewis.mcpatcher.mod.Colorizer, BiomeHelper, Stub, ...], [noppes.mpm.EntityRendererAlt, GuiOption, RenderGlobalAlt, ...], [noppes.mpm.commands.CommandSit, CommandDance, CommandSleep, ...], [noppes.mpm.config.ConfigLoader, ConfigProp], [org.minicraft.manager.client.MIPacket, MIHandler, MIAchievement, ...], [org.minicraft.manager.client.packet.Packet197Generic, DataLogin], [org.minicraft.quest.client.util.QuestHandler]
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
ModLoader: Mods loaded: 4
ModLoader 1.4.5
mod_RPGartefact 1337
mod_RPGmelee 1.4_01
mod_MorePlayerModels More Player Models 1.4.4 v1
LWJGL: 2.8.3
OpenGL: GeForce 9600 GT/PCI/SSE2 GL version 3.2.0, NVIDIA Corporation
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
java.lang.RuntimeException: javax.imageio.IIOException: Error reading PNG metadata
at ModLoader.registerAllTextureOverrides(ModLoader.java:1578)
at ModLoader.onTick(ModLoader.java:1139)
at EntityRendererProxy.b(EntityRendererProxy.java:21)
at noppes.mpm.EntityRendererAlt.b(EntityRendererAlt.java:19)
at net.minecraft.client.Minecraft.J(Minecraft.java:877)
at net.minecraft.client.Minecraft.run(Minecraft.java:773)
at java.lang.Thread.run(Unknown Source)
Caused by: javax.imageio.IIOException: Error reading PNG metadata
at com.sun.imageio.plugins.png.PNGImageReader.readMetadata(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.readImage(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.read(Unknown Source)
at javax.imageio.ImageIO.read(Unknown Source)
at javax.imageio.ImageIO.read(Unknown Source)
at ModLoader.loadImage(ModLoader.java:1071)
at ModLoader.registerAllTextureOverrides(ModLoader.java:1569)
... 6 more
Caused by: java.io.EOFException
at javax.imageio.stream.ImageInputStreamImpl.readFully(Unknown Source)
at java.io.DataInputStream.readUTF(Unknown Source)
at javax.imageio.stream.ImageInputStreamImpl.readUTF(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.parse_iTXt_chunk(Unknown Source)
... 13 more
--- END ERROR REPORT b851f191 ----------
что делать, помогите!
P.S:
Не каких модов я не устанавливал