---- Minecraft Crash Report ---- // This doesn't make any sense! Time: 3/4/16 2:39 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$Initializer.run(PipeImpl.java:68) at java.security.AccessController.doPrivileged(Native Method) at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:170) at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50) at java.nio.channels.Pipe.open(Pipe.java:155) at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:127) at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:126) ... 20 more Caused by: java.net.SocketException: Permission denied: listen at sun.nio.ch.Net.listen(Native Method) at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:215) at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74) at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:67) at sun.nio.ch.PipeImpl$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 -- 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: 139550888 bytes (133 MB) / 273797120 bytes (261 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: GeForce 310M/PCI/SSE2 GL version 3.1 NVIDIA 187.82, 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: English (US) Profiler Position: N/A (disabled) CPU: 4x Intel(R) Core(TM) i3 CPU M 330 @ 2.13GHz