---- Minecraft Crash Report ---- // There are four lights! Time: 5/27/19 11:01 PM Description: Updating screen events 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:58) 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 oz$1.a(SourceFile:61) at oz$1.b(SourceFile:58) at rh.c(SourceFile:10) at oz.a(SourceFile:152) at bib.a(SourceFile:2209) at bol.e(SourceFile:229) at bol.a(SourceFile:182) at bol.a(SourceFile:148) at bjm.a(SourceFile:41) at bok.a(SourceFile:117) at blk.k(SourceFile:400) at bok.k(SourceFile:49) at blk.q(SourceFile:377) at bib.t(SourceFile:1625) at bib.az(SourceFile:1000) at bib.a(SourceFile:419) at net.minecraft.client.main.Main.main(SourceFile:123) Caused by: io.netty.channel.ChannelException: failed to open a new selector at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:157) at io.netty.channel.nio.NioEventLoop.(NioEventLoop.java:149) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:127) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:36) at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:84) ... 23 more Caused by: java.io.IOException: Unable to establish loopback connection at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101) at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:68) at java.security.AccessController.doPrivileged(Native Method) at sun.nio.ch.PipeImpl.(PipeImpl.java:170) at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50) at java.nio.channels.Pipe.open(Pipe.java:155) at sun.nio.ch.WindowsSelectorImpl.(WindowsSelectorImpl.java:127) at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:155) ... 27 more Caused by: java.net.BindException: Cannot assign requested address: connect at sun.nio.ch.Net.connect0(Native Method) at sun.nio.ch.Net.connect(Net.java:458) at sun.nio.ch.Net.connect(Net.java:450) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648) at java.nio.channels.SocketChannel.open(SocketChannel.java:189) at sun.nio.ch.PipeImpl$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.(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:58) 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 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: 83753680 bytes (79 MB) / 234881024 bytes (224 MB) up to 2147483648 bytes (2048 MB) JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94 Launched Version: 1.12.2 LWJGL: 2.9.4 OpenGL: GeForce GTX 980M/PCIe/SSE2 GL version 4.6.0 NVIDIA 425.31, 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: 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: 8x Intel(R) Core(TM) i7-4720HQ CPU @ 2.60GHz