I think that the game is bad reads.

My Game (from version 1.7 to 1.7.10 does not create even a map) (from version 1.8 to 1.9 creates a game world, but does not enter the world

topic which also I asked what happened to the game:

http://www.mpcforum.pl/topic/1520648-jaki-jest-powód-niedziałania-minecrafta-od-wersji-172-crash/?hl=%2Blort533#entry12886431

Crash Report:

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 19.04.16 20:04
Description: Updating screen events

java.lang.IllegalStateException: failed to create a child event loop
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:68)
at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:49)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:61)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:52)
at ma$1.a(SourceFile:61)
at ma$1.b(SourceFile:58)
at oj.c(SourceFile:10)
at ma.a(SourceFile:138)
at bcc.a(SourceFile:2135)
at bhh.a(SourceFile:212)
at bey.a(SourceFile:341)
at bhh.a(SourceFile:352)
at bey.k(SourceFile:404)
at bey.p(SourceFile:381)
at bcc.t(SourceFile:1575)
at bcc.av(SourceFile:962)
at bcc.a(SourceFile:392)
at net.minecraft.client.main.Main.main(SourceFile:124)
Caused by: io.netty.channel.ChannelException: failed to open a new selector
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:128)
at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:120)
at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:87)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:64)
... 17 more
Caused by: java.io.IOException: Unable to establish loopback connection
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101)
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:68)
at java.security.AccessController.doPrivileged(Native Method)
at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:170)
at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50)
at java.nio.channels.Pipe.open(Pipe.java:155)
at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:127)
at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44)
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:126)
... 20 more
Caused by: java.io.IOException: Istniejące połączenie zostało gwałtownie zamknięte przez zdalnego hosta
at sun.nio.ch.SocketDispatcher.read0(Native Method)
at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:43)
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
at sun.nio.ch.IOUtil.read(IOUtil.java:197)
at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379)
at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:139)
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:83)
... 28 more

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

– Head –
Stacktrace:
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:68)
at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:49)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:61)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:52)
at ma$1.a(SourceFile:61)
at ma$1.b(SourceFile:58)
at oj.c(SourceFile:10)
at ma.a(SourceFile:138)
at bcc.a(SourceFile:2135)
at bhh.a(SourceFile:212)
at bey.a(SourceFile:341)
at bhh.a(SourceFile:352)
at bey.k(SourceFile:404)
at bey.p(SourceFile:381)

– Affected screen –
Details:
Screen name: bew
Stacktrace:
at bcc.t(SourceFile:1575)
at bcc.av(SourceFile:962)
at bcc.a(SourceFile:392)
at net.minecraft.client.main.Main.main(SourceFile:124)

– System Details –
Details:
Minecraft Version: 1.9.2
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 512137024 bytes (488 MB) / 966393856 bytes (921 MB) up to 966393856 bytes (921 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn1G
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
Launched Version: 1.9.2
LWJGL: 2.9.4
OpenGL: GeForce 9600 GT/PCIe/SSE2 GL version 3.3.0, 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: No
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs:
Current Language: Polski (Polska)
Profiler Position: N/A (disabled)
CPU: 2x AMD Athlon(tm) II X2 250 Processor