quero entrar no meu minecraft 1.5.2 e não consigo pois fala que o minecraft crashou por (crash-report) e está falando pra eu falar com a mojang!! No caso isso

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Failed to start game

A full error report has been saved to C:\Users\Junior\AppData\Roaming\.minecraft\crash-reports\crash-2017-06-22_16.37.09-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash

— BEGIN ERROR REPORT 2a859895 --------
Full report at:
C:\Users\Junior\AppData\Roaming\.minecraft\crash-reports\crash-2017-06-22_16.37.09-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 22/06/17 16:37

– System Details –
Details:
Minecraft Version: 1.5.2
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.8.0_131, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 449115856 bytes (428 MB) / 518979584 bytes (494 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: [net.minecraft.src.CanvasMinecraftApplet, IPlayerUsage, MinecraftAppletImpl, ...]
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
LWJGL: 2.4.2
OpenGL: Intel(R) HD Graphics Family GL version 3.0.0 - Build 8.15.10.2405, Intel
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~_ERROR~ NullPointerException: null

java.lang.NullPointerException
at java.io.Reader.<init>(Unknown Source)
at java.io.InputStreamReader.<init>(Unknown Source)
at net.minecraft.src.StringTranslate.loadLanguage(StringTranslate.java:85)
at net.minecraft.src.StringTranslate.setLanguage(StringTranslate.java:125)
at net.minecraft.client.Minecraft.startGame(Minecraft.java:411)
at net.minecraft.src.MinecraftAppletImpl.startGame(MinecraftAppletImpl.java:41)
at net.minecraft.client.Minecraft.run(Minecraft.java:730)
at java.lang.Thread.run(Unknown Source)
— END ERROR REPORT ac7e5d48 ----------