---- Minecraft Crash Report ---- // Sorry :( Time: 1/7/17 10:39 AM 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 mh$1.a(SourceFile:61) at mh$1.b(SourceFile:58) at op.c(SourceFile:10) at mh.a(SourceFile:152) at bes.a(SourceFile:2162) at bjy.a(SourceFile:212) at bho.a(SourceFile:341) at bjy.a(SourceFile:352) at bho.k(SourceFile:404) at bho.p(SourceFile:381) at bes.t(SourceFile:1586) at bes.av(SourceFile:970) at bes.a(SourceFile:398) at net.minecraft.client.main.Main.main(SourceFile:124) Caused by: io.netty.channel.ChannelException: failed to open a new selector at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:128) at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:120) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:87) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:64) ... 17 more Caused by: java.io.IOException: Unable to establish loopback connection at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101) at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:68) at java.security.AccessController.doPrivileged(Native Method) at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:170) at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50) at java.nio.channels.Pipe.open(Pipe.java:155) at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:127) at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:126) ... 20 more Caused by: java.net.SocketException: Permission denied: listen at sun.nio.ch.Net.listen(Native Method) at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:215) at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74) at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:67) at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:124) at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:83) ... 28 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Client thread 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 mh$1.a(SourceFile:61) at mh$1.b(SourceFile:58) at op.c(SourceFile:10) at mh.a(SourceFile:152) at bes.a(SourceFile:2162) at bjy.a(SourceFile:212) at bho.a(SourceFile:341) at bjy.a(SourceFile:352) at bho.k(SourceFile:404) at bho.p(SourceFile:381) -- Affected screen -- Details: Screen name: bhm Stacktrace: at bes.t(SourceFile:1586) at bes.av(SourceFile:970) at bes.a(SourceFile:398) at net.minecraft.client.main.Main.main(SourceFile:124) -- System Details -- Details: Minecraft Version: 1.11.2 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: 94503472 bytes (90 MB) / 292716544 bytes (279 MB) up to 4281597952 bytes (4083 MB) JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95 Launched Version: 1.11.2 LWJGL: 2.9.4 OpenGL: Intel(R) HD Graphics Family GL version 3.0.0 - Build 8.15.10.2291, Intel 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: Current Language: English (United Kingdom) Profiler Position: N/A (disabled) CPU: 4x Intel(R) Core(TM) i3-2130 CPU @ 3.40GHz