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Hello minecraft fourm staff / players i need some help. when my minecraft opened i click multiplayer and i join a server the game crashed if you are reading this please help. comp: Dell M140 laptop

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

Time: 2/4/14 9:36 AM
Description: Rendering screen

java.lang.IllegalArgumentException: bad Base64 input character at 13400: 0 (decimal)
at io.netty.handler.codec.base64.Base64.decode(Base64.java:247)
at io.netty.handler.codec.base64.Base64.decode(Base64.java:197)
at io.netty.handler.codec.base64.Base64.decode(Base64.java:188)
at bge.b(SourceFile:155)
at bge.a(SourceFile:130)
at bat.a(SourceFile:26)
at bay.b(SourceFile:382)
at bay.a(SourceFile:259)
at bgb.a(SourceFile:283)
at bll.b(EntityRenderer.java:1335)
at azd.ad(SourceFile:780)
at azd.e(SourceFile:704)
at net.minecraft.client.main.Main.main(SourceFile:103)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)


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

-- Head --
Stacktrace:
at io.netty.handler.codec.base64.Base64.decode(Base64.java:247)
at io.netty.handler.codec.base64.Base64.decode(Base64.java:197)
at io.netty.handler.codec.base64.Base64.decode(Base64.java:188)
at bge.b(SourceFile:155)
at bge.a(SourceFile:130)
at bat.a(SourceFile:26)
at bay.b(SourceFile:382)
at bay.a(SourceFile:259)
at bgb.a(SourceFile:283)

-- Screen render details --
Details:
Screen name: bgb
Mouse location: Scaled: (372, 112). Absolute: (744, 254)
Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2
Stacktrace:
at bll.b(EntityRenderer.java:1335)
at azd.ad(SourceFile:780)
at azd.e(SourceFile:704)
at net.minecraft.client.main.Main.main(SourceFile:103)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)

-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Windows XP (x86) version 5.1
Java Version: 1.7.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 50842760 bytes (48 MB) / 108650496 bytes (103 MB) up to 518979584 bytes (494 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.7.2-OptiFine_HD_U_A6
LWJGL: 2.9.0
OpenGL: Intel 915GM GL version 1.4.0 - Build 4.14.10.4693, Intel
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Resource Packs: [Faithful Texture Pack 64x64 1.6.zip]
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
Anisotropic Filtering: Off (1)

Next time, please use Pastebin for uploading logs


As for the problem, I think you should just restart the game.

Do you have any mods installed? if so check that they are properly updated. Websites such as minecraft-mods.org sometimes intentionally post outdated versions of mods to draw more traffic to their site.

i only got Optifine. i tried to restart dosent work