---- Minecraft Crash Report ----
// You're mean.

Time: 26/10/14 10:16 AM
Description: Rendering screen

java.lang.IllegalArgumentException: bad Base64 input character at 3237: 224 (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 bzr.c(SourceFile:212)
at bzr.a(SourceFile:145)
at bus.a(SourceFile:25)
at bvi.b(SourceFile:409)
at bvi.a(SourceFile:217)
at bzo.a(SourceFile:291)
at cjh.b(SourceFile:1026)
at bss.at(SourceFile:906)
at bss.a(SourceFile:317)
at net.minecraft.client.main.Main.main(SourceFile:124)

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 bzr.c(SourceFile:212)
at bzr.a(SourceFile:145)
at bus.a(SourceFile:25)
at bvi.b(SourceFile:409)
at bvi.a(SourceFile:217)
at bzo.a(SourceFile:291)

– Screen render details –
Details:
Screen name: bzo
Mouse location: Scaled: (524, 217). Absolute: (1048, 645)
Screen size: Scaled: (960, 540). Absolute: (1920, 1080). Scale factor of 2
Stacktrace:
at cjh.b(SourceFile:1026)
at bss.at(SourceFile:906)
at bss.a(SourceFile:317)
at net.minecraft.client.main.Main.main(SourceFile:124)

– System Details –
Details:
Minecraft Version: 1.8.1-pre3
Operating System: Linux (amd64) version 3.13.0-32-generic
Java Version: 1.7.0_55, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 145326944 bytes (138 MB) / 249561088 bytes (238 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.8.1-pre3
LWJGL: 2.9.1
OpenGL: GeForce GTX 660/PCIe/SSE2 GL version 4.4.0 NVIDIA 331.38, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: No
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (UK)
Profiler Position: N/A (disabled)