---- Minecraft Crash Report ---- // Oops. Time: 28/06/20 12:30 Description: mouseClicked event handler java.lang.IllegalStateException: failed to create a child event loop at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:88) at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:58) at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:47) at io.netty.channel.MultithreadEventLoopGroup.(MultithreadEventLoopGroup.java:59) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:77) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:72) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:59) at zu.f(SourceFile:54) at zu$$Lambda$3884/1009889405.get(Unknown Source) at ady.a(SourceFile:16) at zu.a(SourceFile:135) at dlx.a(SourceFile:1837) at dlx.a(SourceFile:1698) at duf$a.e(SourceFile:408) at duf$a.a(SourceFile:319) at duf$a.a(SourceFile:256) at dne.a(SourceFile:331) at doe.a(SourceFile:27) at dly.b(SourceFile:92) at dly$$Lambda$2900/1590502119.run(Unknown Source) at dqs.a(SourceFile:431) at dly.a(SourceFile:92) at dly.c(SourceFile:162) at dly$$Lambda$2899/77635419.run(Unknown Source) at amn.execute(SourceFile:94) at dly.b(SourceFile:162) at dly$$Lambda$2246/1741048732.invoke(Unknown Source) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.invokeV(Native Method) at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3174) at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(SourceFile:127) at dlx.e(SourceFile:1044) at dlx.e(SourceFile:654) at net.minecraft.client.main.Main.main(SourceFile:215) Caused by: io.netty.channel.ChannelException: failed to open a new selector at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:177) at io.netty.channel.nio.NioEventLoop.(NioEventLoop.java:151) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:127) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:36) at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:84) ... 33 more Caused by: java.io.IOException: Unable to establish loopback connection at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101) at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:68) at java.security.AccessController.doPrivileged(Native Method) at sun.nio.ch.PipeImpl.(PipeImpl.java:170) at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50) at java.nio.channels.Pipe.open(Pipe.java:155) at sun.nio.ch.WindowsSelectorImpl.(WindowsSelectorImpl.java:127) at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175) ... 37 more Caused by: java.net.SocketException: Permission denied: connect at sun.nio.ch.Net.connect0(Native Method) at sun.nio.ch.Net.connect(Net.java:458) at sun.nio.ch.Net.connect(Net.java:450) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648) at java.nio.channels.SocketChannel.open(SocketChannel.java:189) at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:130) at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:83) ... 45 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Render thread Stacktrace: at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:88) at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:58) at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:47) at io.netty.channel.MultithreadEventLoopGroup.(MultithreadEventLoopGroup.java:59) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:77) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:72) at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:59) at zu.f(SourceFile:54) at zu$$Lambda$3884/1009889405.get(Unknown Source) at ady.a(SourceFile:16) at zu.a(SourceFile:135) at dlx.a(SourceFile:1837) at dlx.a(SourceFile:1698) at duf$a.e(SourceFile:408) at duf$a.a(SourceFile:319) at duf$a.a(SourceFile:256) at dne.a(SourceFile:331) at doe.a(SourceFile:27) at dly.b(SourceFile:92) at dly$$Lambda$2900/1590502119.run(Unknown Source) -- Affected screen -- Details: Screen name: duc Stacktrace: at dqs.a(SourceFile:431) at dly.a(SourceFile:92) at dly.c(SourceFile:162) at dly$$Lambda$2899/77635419.run(Unknown Source) at amn.execute(SourceFile:94) at dly.b(SourceFile:162) at dly$$Lambda$2246/1741048732.invoke(Unknown Source) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.invokeV(Native Method) at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3174) at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(SourceFile:127) at dlx.e(SourceFile:1044) at dlx.e(SourceFile:654) at net.minecraft.client.main.Main.main(SourceFile:215) -- System Details -- Details: Minecraft Version: 1.16.1 Minecraft Version ID: 1.16.1 Operating System: Windows 8.1 (amd64) version 6.3 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 953766824 bytes (909 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB) CPUs: 8 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Launched Version: 1.16.1 Backend library: LWJGL version 3.2.2 build 10 Backend API: GeForce GT 620/PCIe/SSE2 GL version 4.3.0, NVIDIA Corporation GL Caps: Using framebuffer using OpenGL 3.0 Using VBOs: Yes Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Resource Packs: vanilla Current Language: English (US) CPU: 8x Intel(R) Core(TM) i7-4770S CPU @ 3.10GHz