I played minecraft on the browser on single player, and then the game crashed. this is the crash screen: ---- Minecraft Crash Report ----
// I just don't know what went wrong

Time: 17:46 11/05/13
Description: Manually triggered debug crash

java.lang.Throwable
at net.minecraft.client.Minecraft.l(SourceFile:1164)
at net.minecraft.client.Minecraft.K(SourceFile:574)
at net.minecraft.client.Minecraft.run(SourceFile:526)
at java.lang.Thread.run(Unknown Source)

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

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bdv['anratork59'/1020804, l='MpServer', x=99.95, y=67.62, z=-4249.64]]
Chunk stats: MultiplayerChunkCache: 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (-35,64,58), Chunk: (at 13,4,10 in -3,3; contains blocks -48,0,48 to -33,255,63), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 38890 game time, 2712 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 78 total; [qr['Squid'/1020910, l='MpServer', x=99.19, y=52.19, z=-4189.47], qg['Bat'/1020908, l='MpServer', x=86.25, y=34.00, z=-4241.50], ru['Creeper'/1048837, l='MpServer', x=112.50, y=20.00, z=-4299.50], sh['Spider'/1048836, l='MpServer', x=115.50, y=25.00, z=-4307.50], sf['Skeleton'/1020907, l='MpServer', x=96.78, y=22.00, z=-4285.38], sh['Spider'/1050238, l='MpServer', x=107.50, y=19.00, z=-4301.16], ru['Creeper'/1020904, l='MpServer', x=115.03, y=30.00, z=-4301.50], sf['Skeleton'/1048838, l='MpServer', x=109.50, y=20.00, z=-4302.50], sh['Spider'/1020905, l='MpServer', x=109.78, y=28.00, z=-4302.00], qr['Squid'/1020900, l='MpServer', x=88.50, y=45.40, z=-4241.54], ru['Creeper'/1020901, l='MpServer', x=82.72, y=29.00, z=-4239.13], sf['Skeleton'/1020899, l='MpServer', x=90.28, y=33.00, z=-4247.22], qg['Bat'/1020897, l='MpServer', x=86.25, y=34.10, z=-4241.50], ru['Creeper'/1020924, l='MpServer', x=137.50, y=37.00, z=-4309.50], sf['Skeleton'/1030710, l='MpServer', x=63.50, y=35.00, z=-4286.50], sg['Slime'/1020922, l='MpServer', x=134.63, y=37.16, z=-4304.38], sg['Slime'/1020921, l='MpServer', x=137.31, y=25.95, z=-4314.31], sf['Skeleton'/1044763, l='MpServer', x=100.50, y=29.00, z=-4286.50], qr['Squid'/1020918, l='MpServer', x=127.06, y=44.03, z=-4208.22], sg['Slime'/1020916, l='MpServer', x=115.82, y=25.60, z=-4309.69], sf['Skeleton'/1044767, l='MpServer', x=151.50, y=26.00, z=-4302.50], sf['Skeleton'/1044764, l='MpServer', x=103.44, y=29.00, z=-4292.06], qr['Squid'/1020912, l='MpServer', x=91.50, y=49.00, z=-4200.50], sj['Zombie'/1044769, l='MpServer', x=153.50, y=26.00, z=-4304.50], qr['Squid'/1020876, l='MpServer', x=69.59, y=46.00, z=-4218.53], qr['Squid'/1020877, l='MpServer', x=58.78, y=49.72, z=-4211.28], sf['Skeleton'/1020873, l='MpServer', x=77.53, y=34.00, z=-4264.16], bdv['anratork59'/1020804, l='MpServer', x=99.95, y=67.62, z=-4249.64], qg['Bat'/1020895, l='MpServer', x=89.25, y=30.10, z=-4259.38], sf['Skeleton'/1020890, l='MpServer', x=83.91, y=38.00, z=-4276.50], ru['Creeper'/1022317, l='MpServer', x=48.50, y=14.00, z=-4284.50], qg['Bat'/1029510, l='MpServer', x=94.22, y=21.00, z=-4289.72], sf['Skeleton'/1049631, l='MpServer', x=95.69, y=14.00, z=-4299.69], sh['Spider'/1031178, l='MpServer', x=62.50, y=19.00, z=-4282.50], qg['Bat'/1029516, l='MpServer', x=100.09, y=25.76, z=-4170.84], qr['Squid'/1020838, l='MpServer', x=50.63, y=53.28, z=-4285.38], qg['Bat'/1029514, l='MpServer', x=83.25, y=11.10, z=-4291.75], qg['Bat'/1020839, l='MpServer', x=33.41, y=39.10, z=-4244.75], qg['Bat'/1029512, l='MpServer', x=77.25, y=22.76, z=-4285.47], qg['Bat'/1020859, l='MpServer', x=81.75, y=22.10, z=-4316.75], qg['Bat'/1043162, l='MpServer', x=146.47, y=20.00, z=-4310.06], ru['Creeper'/1039810, l='MpServer', x=44.50, y=36.00, z=-4304.31], rh['item.item.bone'/1041931, l='MpServer', x=92.28, y=12.13, z=-4302.81], ru['Creeper'/1039811, l='MpServer', x=44.50, y=36.00, z=-4305.22], sj['Zombie'/1048925, l='MpServer', x=45.50, y=22.00, z=-4288.50], sf['Skeleton'/1048926, l='MpServer', x=118.50, y=25.00, z=-4306.50], qg['Bat'/1049470, l='MpServer', x=47.41, y=16.92, z=-4282.09], qr['Squid'/1020854, l='MpServer', x=69.63, y=51.34, z=-4247.13], qr['Squid'/1020853, l='MpServer', x=55.34, y=56.84, z=-4223.19], ru['Creeper'/1032995, l='MpServer', x=145.50, y=32.00, z=-4300.50], rh['item.item.rottenFlesh'/1025698, l='MpServer', x=137.59, y=19.13, z=-4206.19], ru['Creeper'/1041419, l='MpServer', x=149.50, y=14.00, z=-4329.50], sj['Zombie'/1049428, l='MpServer', x=167.13, y=38.00, z=-4182.84], sj['Zombie'/1049429, l='MpServer', x=166.31, y=38.00, z=-4183.69], sf['Skeleton'/1049632, l='MpServer', x=94.72, y=14.00, z=-4298.72], sh['Spider'/1042647, l='MpServer', x=138.03, y=30.00, z=-4301.91], sj['Zombie'/1022430, l='MpServer', x=150.31, y=23.00, z=-4211.63], sj['Zombie'/1050069, l='MpServer', x=137.50, y=37.00, z=-4296.50], sj['Zombie'/1050068, l='MpServer', x=135.50, y=37.00, z=-4298.50], sj['Zombie'/1050070, l='MpServer', x=134.50, y=37.00, z=-4300.50], ru['Creeper'/1050887, l='MpServer', x=20.46, y=38.00, z=-4319.72], sf['Skeleton'/1050067, l='MpServer', x=138.50, y=37.00, z=-4297.50], sf['Skeleton'/1020935, l='MpServer', x=152.69, y=23.00, z=-4211.50], ru['Creeper'/1050888, l='MpServer', x=20.58, y=38.00, z=-4317.41], sj['Zombie'/1020934, l='MpServer', x=145.97, y=17.00, z=-4309.50], sj['Zombie'/1020929, l='MpServer', x=135.66, y=30.00, z=-4203.47], qg['Bat'/1042709, l='MpServer', x=65.39, y=16.12, z=-4289.57], ru['Creeper'/1049019, l='MpServer', x=88.50, y=20.00, z=-4286.50], ru['Creeper'/1049018, l='MpServer', x=86.50, y=20.00, z=-4290.50], qg['Bat'/1050679, l='MpServer', x=90.67, y=20.06, z=-4291.68], qg['Bat'/1050687, l='MpServer', x=104.19, y=20.30, z=-4305.24], sj['Zombie'/1050535, l='MpServer', x=146.50, y=20.00, z=-4309.50], sj['Zombie'/1038331, l='MpServer', x=154.50, y=36.00, z=-4273.50], ru['Creeper'/1049310, l='MpServer', x=67.50, y=19.00, z=-4267.50], ru['Creeper'/1049309, l='MpServer', x=65.50, y=19.00, z=-4268.50], sh['Spider'/1032891, l='MpServer', x=117.50, y=22.00, z=-4296.50], qg['Bat'/1048823, l='MpServer', x=52.13, y=15.67, z=-4284.22], sj['Zombie'/1049567, l='MpServer', x=32.50, y=17.00, z=-4312.50]]
Retry entities: 0 total; []
Stacktrace:
at bds.a(SourceFile:282)
at net.minecraft.client.Minecraft.b(SourceFile:1881)
at net.minecraft.client.Minecraft.run(SourceFile:535)
at java.lang.Thread.run(Unknown Source)

– System Details –
Details:
Minecraft Version: 1.5.2
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_17, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 732989704 bytes (699 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 3 total; -Xbootclasspath/a:C:\\PROGRA~1\\Java\\jre7\\lib\\deploy.jar;C:\\PROGRA~1\\Java\\jre7\\lib\\javaws.jar;C:\\PROGRA~1\\Java\\jre7\\lib
plugin.jar -Xmx1g -Xms1024M
AABB Pool Size: 11636 (651616 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
LWJGL: 2.4.2
OpenGL: Intel(R) HD Graphics 3000 GL version 3.1.0 - Build 9.17.10.2932, Intel
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 5821 (325976 bytes; 0 MB) allocated, 13 (728 bytes; 0 MB) used