Minecraft se lance tout blanc

Bonjour , quand je lance mc ca m'ouvre une fenetre toute blanche , quand j'agrandis ca me rajoute du noir et la musique se joue aussi jai demander a des gens sur discord , quelqun ma dis de lancer en 1.4.2 , jai eu un crash , le voici : Minecraft has crashed!
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Minecraft has stopped running because it encountered a problem; Failed to start game
This error has been saved to C:\Users\33603\AppData\Roaming.minecraft\crash-reports\crash-2019-06-27_16.42.48-client.txt for your convenience. Please include a copy of this file if you report this crash to anyone.



--- BEGIN ERROR REPORT 29fe557e --------
Generated 27/06/19 16:42

- Minecraft Version: 1.4.2
- Operating System: Windows 10 (amd64) version 10.0
- Java Version: 1.8.0_51, Oracle Corporation
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
- Memory: 86996376 bytes (82 MB) / 134217728 bytes (128 MB) up to 2147483648 bytes (2048 MB)
- JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
- AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
- LWJGL: 2.9.0
- OpenGL: AMD Radeon(TM) R4 Graphics GL version 4.5.13506 Compatibility Profile Context 23.20.15018.16, ATI Technologies Inc.
- Is Modded: Very likely
- Type: Client
- Texture Pack: Default
- Profiler Position: N/A (disabled)
- Vec3 Pool Size: ~ERROR~ NullPointerException: null

java.lang.NullPointerException
at java.io.Reader.<init>(Reader.java:78)
at java.io.InputStreamReader.<init>(InputStreamReader.java:97)
at be.a(SourceFile:56)
at be.a(SourceFile:91)
at net.minecraft.client.Minecraft.a(SourceFile:249)
at net.minecraft.client.Minecraft.run(SourceFile:515)
at java.lang.Thread.run(Thread.java:745)
--- END ERROR REPORT 5b26cda0 ---------- aidez moi sur le probleme de lecran blanc svp