---- Minecraft Crash Report ---- // But it works on my machine. Time: 9/14/14 12:59 AM Description: Updating screen events java.lang.IllegalStateException: failed to create a child event loop at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:61) 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 rd.a(SourceFile:40) at rd.b(SourceFile:37) at up.c(SourceFile:10) at rc.a(SourceFile:104) at bsu.a(SourceFile:1914) at bxg.i(SourceFile:172) at bxh.a(SourceFile:224) at bvk.p(SourceFile:309) at bxg.k(SourceFile:82) at bxf.p(SourceFile:382) at bsu.r(SourceFile:1473) at bsu.as(SourceFile:877) at bsu.a(SourceFile:314) at net.minecraft.client.main.Main.main(SourceFile:120) 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:57) ... 17 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) ... 20 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) ... 29 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:61) 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 rd.a(SourceFile:40) at rd.b(SourceFile:37) at up.c(SourceFile:10) at rc.a(SourceFile:104) at bsu.a(SourceFile:1914) at bxg.i(SourceFile:172) at bxh.a(SourceFile:224) at bvk.p(SourceFile:309) at bxg.k(SourceFile:82) at bxf.p(SourceFile:382) -- Affected screen -- Details: Screen name: bxq Stacktrace: at bsu.r(SourceFile:1473) at bsu.as(SourceFile:877) at bsu.a(SourceFile:314) at net.minecraft.client.main.Main.main(SourceFile:120) -- System Details -- Details: Minecraft Version: 1.8 Operating System: Windows 7 (x86) version 6.1 Java Version: 1.7.0_67, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation Memory: 102403544 bytes (97 MB) / 263049216 bytes (250 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: 0, tcache: 0, allocated: 12, tallocated: 94 Launched Version: 1.8 LWJGL: 2.9.1 OpenGL: AMD M880G with ATI Mobility Radeon HD 4250 GL version 3.3.10179 Compatibility Profile Context, 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: 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)