---- Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: _HUG~

Time: 2014/9/18 下午 6:08
Description: Rendering screen

java.lang.IllegalArgumentException: bad Base64 input character at 11266: 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 bhc.b(SourceFile:155)
at bhc.a(SourceFile:130)
at bbd.a(SourceFile:26)
at bbi.b(SourceFile:382)
at bbi.a(SourceFile:259)
at bgz.a(SourceFile:283)
at bms.b(SourceFile:852)
at azl.ah(SourceFile:784)
at azl.f(SourceFile:711)
at net.minecraft.client.main.Main.main(SourceFile:148)

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 bhc.b(SourceFile:155)
at bhc.a(SourceFile:130)
at bbd.a(SourceFile:26)
at bbi.b(SourceFile:382)
at bbi.a(SourceFile:259)
at bgz.a(SourceFile:283)

– Screen render details –
Details:
Screen name: bgz
Mouse location: Scaled: (373, 82). Absolute: (746, 315)
Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2
Stacktrace:
at bms.b(SourceFile:852)
at azl.ah(SourceFile:784)
at azl.f(SourceFile:711)
at net.minecraft.client.main.Main.main(SourceFile:148)

– System Details –
Details:
Minecraft Version: 1.7.5
Operating System: Windows XP (x86) version 5.1
Java Version: 1.7.0_67, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 89509856 bytes (85 MB) / 170012672 bytes (162 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 7 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -Xmx1G
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: 1.7.5
LWJGL: 2.9.1
OpenGL: SAPPHIRE Radeon X1550 Series GL version 2.1.8201 Release, ATI Technologies Inc.
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because EXT_framebuffer_object is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: []
Current Language: 繁體中文 (台灣)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)