---- Minecraft Crash Report ---- // Hey, that tickles! Hehehe! Time: 4/4/15 10:06 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 lm$1.a(SourceFile:44) at lm$1.b(SourceFile:41) at np.c(SourceFile:10) at lm.a(SourceFile:121) at avf.a(SourceFile:1941) at axw.i(SourceFile:172) at axw.a(SourceFile:135) at axv.a(SourceFile:350) at axv.k(SourceFile:413) at axw.k(SourceFile:81) at axv.p(SourceFile:390) at avf.s(SourceFile:1497) at avf.av(SourceFile:888) at avf.a(SourceFile:325) at net.minecraft.client.main.Main.main(SourceFile:124) Caused by: io.netty.channel.ChannelException: failed to open a new selector at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:128) at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:120) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:87) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:64) ... 18 more Caused by: java.io.IOException: Unable to establish loopback connection at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source) at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.nio.ch.PipeImpl.<init>(Unknown Source) at sun.nio.ch.SelectorProviderImpl.openPipe(Unknown Source) at java.nio.channels.Pipe.open(Unknown Source) at sun.nio.ch.WindowsSelectorImpl.<init>(Unknown Source) at sun.nio.ch.WindowsSelectorProvider.openSelector(Unknown Source) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:126) ... 21 more Caused by: java.net.SocketException: Permission denied: connect at sun.nio.ch.Net.connect0(Native Method) at sun.nio.ch.Net.connect(Unknown Source) at sun.nio.ch.Net.connect(Unknown Source) at sun.nio.ch.SocketChannelImpl.connect(Unknown Source) at java.nio.channels.SocketChannel.open(Unknown Source) at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(Unknown Source) ... 30 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 lm$1.a(SourceFile:44) at lm$1.b(SourceFile:41) at np.c(SourceFile:10) at lm.a(SourceFile:121) at avf.a(SourceFile:1941) at axw.i(SourceFile:172) at axw.a(SourceFile:135) at axv.a(SourceFile:350) at axv.k(SourceFile:413) at axw.k(SourceFile:81) at axv.p(SourceFile:390) -- Affected screen -- Details: Screen name: ayb Stacktrace: at avf.s(SourceFile:1497) at avf.av(SourceFile:888) at avf.a(SourceFile:325) at net.minecraft.client.main.Main.main(SourceFile:124) -- System Details -- Details: Minecraft Version: 1.8.3 Operating System: Windows 8.1 (x86) version 6.3 CPU: 4x Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz Java Version: 1.8.0_40, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation Memory: 84511688 bytes (80 MB) / 230567936 bytes (219 MB) up to 523501568 bytes (499 MB) JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M IntCache: cache: 10, tcache: 0, allocated: 13, tallocated: 99 Launched Version: 1.8.3 LWJGL: 2.9.4 OpenGL: Intel(R) HD Graphics 5500 GL version 4.3.0 - Build 10.18.10.4013, 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: 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)