Failed to create a child event loop

I keep getting this error when trying to open my minecraft world

The game crashed whilst mouseclicked event handler
Error: java.lang.IllegalStateException: failed to create a child event loop
Exit Code: -1

i have searched the internet for solutions multiple times and nothing worked.Tried turning off firewall,redownloading,typing commands into command prompt,updating forge and java and more.I reached out to minecraft help and nothing they suggested worked either so im here now.Is there a solution to this?

(crash report if needed)
java.lang.IllegalStateException: failed to create a child event loopjava.lang.IllegalStateException: failed to create a child event loop at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:88) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:59) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:77) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:72) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:59) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at net.minecraft.server.network.ServerConnectionListener.m_9724_(ServerConnectionListener.java:55) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading} at com.google.common.base.Suppliers$NonSerializableMemoizingSupplier.get(Suppliers.java:160) ~[guava-21.0.jar%2320!:?] {} at net.minecraft.util.LazyLoadedValue.m_13971_(SourceFile:19) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading} at net.minecraft.server.network.ServerConnectionListener.m_9708_(ServerConnectionListener.java:113) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading} at net.minecraft.client.Minecraft.doLoadLevel(Minecraft.java:1975) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.m_91200_(Minecraft.java:1865) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.m_101744_(SourceFile:437) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading} at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.m_101704_(SourceFile:343) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading} at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.m_6375_(SourceFile:274) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading} at net.minecraft.client.gui.components.AbstractSelectionList.m_6375_(AbstractSelectionList.java:323) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.client.gui.components.events.ContainerEventHandler.m_6375_(SourceFile:27) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading} at net.minecraft.client.MouseHandler.lambda$onPress$0(MouseHandler.java:87) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.client.gui.screens.Screen.m_96579_(Screen.java:530) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.MouseHandler.m_91530_(MouseHandler.java:85) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.client.MouseHandler.m_168091_(MouseHandler.java:181) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.util.thread.BlockableEventLoop.execute(SourceFile:101) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.client.MouseHandler.m_91565_(MouseHandler.java:180) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:runtimedistcleaner:A} at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) ~[lwjgl-glfw-3.2.2.jar%2348!:build 10] {} at org.lwjgl.system.JNI.invokeV(Native Method) ~[lwjgl-3.2.2.jar%2344!:build 10] {} at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3174) ~[lwjgl-glfw-3.2.2.jar%2348!:build 10] {} at com.mojang.blaze3d.systems.RenderSystem.m_69830_(SourceFile:190) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading} at net.minecraft.client.Minecraft.m_91383_(Minecraft.java:1065) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.m_91374_(Minecraft.java:659) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.main.Main.main(Main.java:186) ~[client-1.17.1-20210706.113038-srg.jar%2354!:?] {re:classloading,pl:runtimedistcleaner:A} at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {} at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) ~[?:?] {} at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {} at java.lang.reflect.Method.invoke(Method.java:567) ~[?:?] {} at net.minecraftforge.fml.loading.targets.CommonClientLaunchHandler.lambda$launchService$0(CommonClientLaunchHandler.java:45) ~[fmlloader-1.17.1-37.0.104.jar%2322!:?] {} at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.0.7.jar%235!:?] {} at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.0.7.jar%235!:?] {} at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.0.7.jar%235!:?] {} at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.0.7.jar%235!:?] {} at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.0.7.jar%235!:?] {} at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.0.7.jar%235!:?] {} at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.0.7.jar%235!:?] {} at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:90) [bootstraplauncher-0.1.17.jar:?] {}Caused by: io.netty.channel.ChannelException: failed to open a new selector at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:177) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:151) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:127) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:36) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} ... 43 moreCaused by: java.io.IOException: Unable to establish loopback connection at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101) ~[?:?] {} at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:67) ~[?:?] {} at java.security.AccessController.doPrivileged(AccessController.java:554) ~[?:?] {} at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:194) ~[?:?] {} at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:143) ~[?:?] {} at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44) ~[?:?] {} at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:151) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:127) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:36) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} ... 43 moreCaused by: java.net.SocketException: Invalid argument: connect at sun.nio.ch.UnixDomainSockets.connect0(Native Method) ~[?:?] {} at sun.nio.ch.UnixDomainSockets.connect(UnixDomainSockets.java:146) ~[?:?] {} at sun.nio.ch.UnixDomainSockets.connect(UnixDomainSockets.java:142) ~[?:?] {} at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:849) ~[?:?] {} at java.nio.channels.SocketChannel.open(SocketChannel.java:285) ~[?:?] {} at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:131) ~[?:?] {} at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:83) ~[?:?] {} at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:67) ~[?:?] {} at java.security.AccessController.doPrivileged(AccessController.java:554) ~[?:?] {} at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:194) ~[?:?] {} at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:143) ~[?:?] {} at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44) ~[?:?] {} at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:151) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:127) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:36) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84) ~[netty-all-4.1.25.Final.jar%2331!:4.1.25.Final] {} ... 43 more