---- Minecraft Crash Report ----
// Sorry :(

Time: 31/10/18 18:45
Description: Rendering screen

java.lang.NoClassDefFoundError: net/minecraft/client/renderer/system/GlStateManager
	at com.mojang.realmsclient.RealmsMainScreen.drawRealmsLogo(RealmsMainScreen.java:880)
	at com.mojang.realmsclient.RealmsMainScreen.render(RealmsMainScreen.java:816)
	at cop.a(SourceFile:102)
	at czs.a(SourceFile:793)
	at clp.d(SourceFile:850)
	at clp.b(SourceFile:389)
	at net.minecraft.client.main.Main.main(SourceFile:145)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.renderer.system.GlStateManager
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 7 more


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

-- Head --
Thread: Client thread
Stacktrace:
	at com.mojang.realmsclient.RealmsMainScreen.drawRealmsLogo(RealmsMainScreen.java:880)
	at com.mojang.realmsclient.RealmsMainScreen.render(RealmsMainScreen.java:816)
	at cop.a(SourceFile:102)

-- Screen render details --
Details:
	Screen name: cop
	Mouse location: Scaled: (332, 197). Absolute: (664.000000, 394.000000)
	Screen size: Scaled: (683, 353). Absolute: (1366, 705). Scale factor of 2.000000
Stacktrace:
	at czs.a(SourceFile:793)
	at clp.d(SourceFile:850)
	at clp.b(SourceFile:389)
	at net.minecraft.client.main.Main.main(SourceFile:145)

-- System Details --
Details:
	Minecraft Version: 18w44a
	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: 423593464 bytes (403 MB) / 704643072 bytes (672 MB) up to 4294967296 bytes (4096 MB)
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	Launched Version: 18w44a
	LWJGL: 3.1.6 build 14
	OpenGL: GeForce GTX 1050 Ti/PCIe/SSE2 GL version 4.6.0 NVIDIA 391.35, NVIDIA Corporation
	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: Yes
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: vanilla
	Current Language: Español (España)
	CPU: 4x Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz