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so today i tried to download forge and for some reason it didnt download.. it got me back into the luncher and said "your game crashed" i dont understand whats wrong.. i have tried 4 diffrent forge versions (i try to download it on 1.12.2) i dont understand what im doing wrong can some1 help me?

Post the entire crash report.

---- Minecraft Crash Report -------- Minecraft Crash Report ----
WARNING: coremods are present:Contact their authors BEFORE contacting forge
// There are four lights!
Time: 8/22/18 5:26 PMDescription: Initializing game
java.lang.NoClassDefFoundError: net/minecraft/util/IChatComponent at shadersmodcore.client.ShadersTex.allocTexStorage(ShadersTex.java:266) at shadersmodcore.client.ShadersTex.initDynamicTexture(ShadersTex.java:303) at net.minecraft.client.renderer.texture.DynamicTexture.<init>(SourceFile:26) at net.minecraft.client.renderer.texture.TextureUtil.<clinit>(TextureUtil.java:26) at net.minecraft.client.shader.Framebuffer.func_147605_b(Framebuffer.java:105) at net.minecraft.client.shader.Framebuffer.func_147613_a(Framebuffer.java:57) at net.minecraft.client.shader.Framebuffer.<init>(Framebuffer.java:38) at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:459) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377) at net.minecraft.client.main.Main.main(SourceFile:123) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28)Caused by: java.lang.ClassNotFoundException: net.minecraft.util.IChatComponent at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 16 moreCaused by: java.lang.NullPointerException at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ... 18 more

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
-- Head --Thread: Client threadStacktrace: at shadersmodcore.client.ShadersTex.allocTexStorage(ShadersTex.java:266) at shadersmodcore.client.ShadersTex.initDynamicTexture(ShadersTex.java:303) at net.minecraft.client.renderer.texture.DynamicTexture.<init>(SourceFile:26) at net.minecraft.client.renderer.texture.TextureUtil.<clinit>(TextureUtil.java:26) at net.minecraft.client.shader.Framebuffer.func_147605_b(Framebuffer.java:105) at net.minecraft.client.shader.Framebuffer.func_147613_a(Framebuffer.java:57) at net.minecraft.client.shader.Framebuffer.<init>(Framebuffer.java:38) at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:459)
-- Initialization --Details:Stacktrace: at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377) at net.minecraft.client.main.Main.main(SourceFile:123) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
-- System Details --Details: Minecraft Version: 1.12.2 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: 285256840 bytes (272 MB) / 469762048 bytes (448 MB) up to 1073741824 bytes (1024 MB) JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: Loaded coremods (and transformers): Launched Version: 1.12.2-forge1.12.2-14.23.3.2655

Here

Entire crash report please, bottom part is cut off.