---- Minecraft Crash Report ---- // Oh - I know what I did wrong! Time: 6/30/18 10:25 AM Description: Updating screen events java.lang.IllegalStateException: failed to create a child event loop at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:88) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47) at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:58) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:77) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:72) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:59) at oz$1.a(SourceFile:61) at oz$1.b(SourceFile:58) at rh.c(SourceFile:10) at oz.a(SourceFile:152) at bib.a(SourceFile:2209) at bol.e(SourceFile:229) at bol.a(SourceFile:182) at bol.a(SourceFile:148) at bjm.a(SourceFile:41) at bok.a(SourceFile:117) at blk.k(SourceFile:400) at bok.k(SourceFile:49) at blk.q(SourceFile:377) at bib.t(SourceFile:1625) at bib.az(SourceFile:1000) at bib.a(SourceFile:419) at net.minecraft.client.main.Main.main(SourceFile:123) Caused by: io.netty.channel.ChannelException: failed to open a new selector at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:157) at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:149) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:127) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:36) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84) ... 23 more Caused by: java.io.IOException: Unable to establish loopback connection at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101) at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:68) at java.security.AccessController.doPrivileged(Native Method) at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:170) at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50) at java.nio.channels.Pipe.open(Pipe.java:155) at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:127) at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:155) ... 27 more Caused by: java.net.SocketException: Permission denied: connect at sun.nio.ch.Net.connect0(Native Method) at sun.nio.ch.Net.connect(Net.java:458) at sun.nio.ch.Net.connect(Net.java:450) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648) at java.nio.channels.SocketChannel.open(SocketChannel.java:189) at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:130) at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:83) ... 35 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:88) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47) at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:58) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:77) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:72) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:59) at oz$1.a(SourceFile:61) at oz$1.b(SourceFile:58) at rh.c(SourceFile:10) at oz.a(SourceFile:152) at bib.a(SourceFile:2209) at bol.e(SourceFile:229) at bol.a(SourceFile:182) at bol.a(SourceFile:148) at bjm.a(SourceFile:41) at bok.a(SourceFile:117) at blk.k(SourceFile:400) at bok.k(SourceFile:49) at blk.q(SourceFile:377) -- Affected screen -- Details: Screen name: bli Stacktrace: at bib.t(SourceFile:1625) at bib.az(SourceFile:1000) at bib.a(SourceFile:419) at net.minecraft.client.main.Main.main(SourceFile:123) -- System Details -- Details: Minecraft Version: 1.12.2 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 238143248 bytes (227 MB) / 502005760 bytes (478 MB) up to 1038876672 bytes (990 MB) JVM Flags: 7 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xms512m -Xmx1024m IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 98 Launched Version: 1.12.2 LWJGL: 2.9.4 OpenGL: AMD Radeon R7 M260 GL version 4.5.13491 Compatibility Profile Context 22.19.662.4, 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: Yes 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) i7-5500U CPU @ 2.40GHz