---- Minecraft Crash Report ---- // Quite honestly, I wouldn't worry myself about that. Time: 3/2/16 9:00 PM 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$1.b(SourceFile:58) at oj.c(SourceFile:10) at ma.a(SourceFile:138) at bcf.a(SourceFile:2135) at bhk.a(SourceFile:212) at bfb.a(SourceFile:341) at bhk.a(SourceFile:352) at bfb.k(SourceFile:404) at bfb.p(SourceFile:381) at bcf.t(SourceFile:1575) at bcf.av(SourceFile:962) at bcf.a(SourceFile:392) at net.minecraft.client.main.Main.main(SourceFile:124) Caused by: io.netty.channel.ChannelException: failed to open a new selector at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:128) at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:120) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:87) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:64) ... 17 more Caused by: java.io.IOException: Unable to establish loopback connection at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101) at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:68) at java.security.AccessController.doPrivileged(Native Method) at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:170) at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50) at java.nio.channels.Pipe.open(Pipe.java:155) at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:127) at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:126) ... 20 more Caused by: java.net.SocketException: Unrecognized Windows Sockets error: 87: socket at sun.nio.ch.Net.socket0(Native Method) at sun.nio.ch.Net.serverSocket(Net.java:419) at sun.nio.ch.ServerSocketChannelImpl.<init>(ServerSocketChannelImpl.java:88) at sun.nio.ch.SelectorProviderImpl.openServerSocketChannel(SelectorProviderImpl.java:56) at java.nio.channels.ServerSocketChannel.open(ServerSocketChannel.java:108) at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:123) at sun.nio.ch.PipeImpl$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 bcf.a(SourceFile:2135) at bhk.a(SourceFile:212) at bfb.a(SourceFile:341) at bhk.a(SourceFile:352) at bfb.k(SourceFile:404) at bfb.p(SourceFile:381) -- Affected screen -- Details: Screen name: bez Stacktrace: at bcf.t(SourceFile:1575) at bcf.av(SourceFile:962) at bcf.a(SourceFile:392) at net.minecraft.client.main.Main.main(SourceFile:124) -- System Details -- Details: Minecraft Version: 1.9 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: 101058144 bytes (96 MB) / 291438592 bytes (277 MB) up to 1060372480 bytes (1011 MB) JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95 Launched Version: 1.9 LWJGL: 2.9.4 OpenGL: AMD Radeon(TM) HD 6620G GL version 4.1.11251 Compatibility Profile Context, ATI Technologies Inc. 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: English (US) Profiler Position: N/A (disabled) CPU: 4x AMD A8-3520M APU with Radeon(tm) HD Graphics