Crashing: When I load the launcher and I join a server. (1.9)

Whenever I load Minecraft Launcher on 1.9.0 it just automatically crashes and says 'Already Playing'. Help asap.

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

Time: 03/12/16 09:36
Description: Initializing game

java.lang.OutOfMemoryError: Initializing game
	at java.util.zip.Inflater.inflateBytes(Native Method)
	at java.util.zip.Inflater.inflate(Unknown Source)
	at java.util.zip.InflaterInputStream.read(Unknown Source)
	at java.util.jar.JarVerifier$VerifierStream.read(Unknown Source)
	at java.io.FilterInputStream.read(Unknown Source)
	at sun.nio.cs.StreamDecoder.readBytes(Unknown Source)
	at sun.nio.cs.StreamDecoder.implRead(Unknown Source)
	at sun.nio.cs.StreamDecoder.read(Unknown Source)
	at java.io.InputStreamReader.read(Unknown Source)
	at com.google.gson.stream.JsonReader.fillBuffer(JsonReader.java:1263)
	at com.google.gson.stream.JsonReader.nextNonWhitespace(JsonReader.java:1309)
	at com.google.gson.stream.JsonReader.doPeek(JsonReader.java:538)
	at com.google.gson.stream.JsonReader.peek(JsonReader.java:414)
	at com.google.gson.internal.Streams.parse(Streams.java:42)
	at com.google.gson.TreeTypeAdapter.read(TreeTypeAdapter.java:54)
	at od.a(SourceFile:501)
	at bok.a(SourceFile:61)
	at bxr.c(SourceFile:343)
	at bxr.a(SourceFile:311)
	at bxr.d(SourceFile:289)
	at bxr.c(SourceFile:237)
	at bxr.a(SourceFile:168)
	at bxs.a(SourceFile:23)
	at bwl.a(SourceFile:100)
	at bcf.an(SourceFile:513)
	at bcf.a(SourceFile:377)
	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 java.util.zip.Inflater.inflateBytes(Native Method)
	at java.util.zip.Inflater.inflate(Unknown Source)
	at java.util.zip.InflaterInputStream.read(Unknown Source)
	at java.util.jar.JarVerifier$VerifierStream.read(Unknown Source)
	at java.io.FilterInputStream.read(Unknown Source)
	at sun.nio.cs.StreamDecoder.readBytes(Unknown Source)
	at sun.nio.cs.StreamDecoder.implRead(Unknown Source)
	at sun.nio.cs.StreamDecoder.read(Unknown Source)
	at java.io.InputStreamReader.read(Unknown Source)
	at com.google.gson.stream.JsonReader.fillBuffer(JsonReader.java:1263)
	at com.google.gson.stream.JsonReader.nextNonWhitespace(JsonReader.java:1309)
	at com.google.gson.stream.JsonReader.doPeek(JsonReader.java:538)
	at com.google.gson.stream.JsonReader.peek(JsonReader.java:414)
	at com.google.gson.internal.Streams.parse(Streams.java:42)
	at com.google.gson.TreeTypeAdapter.read(TreeTypeAdapter.java:54)
	at od.a(SourceFile:501)
	at bok.a(SourceFile:61)
	at bxr.c(SourceFile:343)
	at bxr.a(SourceFile:311)
	at bxr.d(SourceFile:289)
	at bxr.c(SourceFile:237)
	at bxr.a(SourceFile:168)
	at bxs.a(SourceFile:23)
	at bwl.a(SourceFile:100)
	at bcf.an(SourceFile:513)

-- Initialization --
Details:
Stacktrace:
	at bcf.a(SourceFile:377)
	at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
	Minecraft Version: 1.9
	Operating System: Windows 8.1 (x86) version 6.3
	Java Version: 1.8.0_60, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 7632672 bytes (7 MB) / 160538624 bytes (153 MB) up to 523501568 bytes (499 MB)
	JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.9
	LWJGL: 2.9.4
	OpenGL: Intel(R) HD Graphics GL version 4.0.0 - Build 10.18.10.3925, Intel
	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)
	CPU: 2x Intel(R) Celeron(R) CPU N2840 @ 2.16GHz