Tried disabling antivirus and adding the recommended line to the starting commands.

Still not working.

Crash Report:

---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 6/25/19 2:56 PM
Description: mouseClicked event handler

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:59)
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 vx.f(SourceFile:55)
at vx$$Lambda$2367/1607463538.get(Unknown Source)
at zp.a(SourceFile:16)
at vx.a(SourceFile:136)
at cvk.a(SourceFile:1640)
at ddc$a.e(SourceFile:380)
at ddc$a.a(SourceFile:311)
at ddc$a.mouseClicked(SourceFile:252)
at cwm.mouseClicked(SourceFile:322)
at cxl.mouseClicked(SourceFile:27)
at cvl.b(SourceFile:86)
at cvl$$Lambda$1803/732214059.run(Unknown Source)
at czt.wrapScreenError(SourceFile:441)
at cvl.a(SourceFile:86)
at cvl$$Lambda$1516/1632648448.invoke(Unknown Source)
at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36)
at org.lwjgl.system.JNI.invokeV(Native Method)
at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3050)
at cud.l(SourceFile:425)
at cud.c(SourceFile:283)
at cvk.b(SourceFile:1023)
at cvk.e(SourceFile:976)
at cvk.b(SourceFile:411)
at net.minecraft.client.main.Main.main(SourceFile:154)
Caused by: io.netty.channel.ChannelException: failed to open a new selector
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:177)
at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:151)
at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:127)
at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:36)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84)
... 30 more
Caused by: java.io.IOException: Unable to establish loopback connection
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101)
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:68)
at java.security.AccessController.doPrivileged(Native Method)
at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:170)
at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50)
at java.nio.channels.Pipe.open(Pipe.java:155)
at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:127)
at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44)
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175)
... 34 more
Caused by: java.net.BindException: Cannot assign requested address: connect
at sun.nio.ch.Net.connect0(Native Method)
at sun.nio.ch.Net.connect(Net.java:458)
at sun.nio.ch.Net.connect(Net.java:450)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
at java.nio.channels.SocketChannel.open(SocketChannel.java:189)
at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:130)
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:83)
... 42 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:59)
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 vx.f(SourceFile:55)
at vx$$Lambda$2367/1607463538.get(Unknown Source)
at zp.a(SourceFile:16)
at vx.a(SourceFile:136)
at cvk.a(SourceFile:1640)
at ddc$a.e(SourceFile:380)
at ddc$a.a(SourceFile:311)
at ddc$a.mouseClicked(SourceFile:252)
at cwm.mouseClicked(SourceFile:322)
at cxl.mouseClicked(SourceFile:27)
at cvl.b(SourceFile:86)
at cvl$$Lambda$1803/732214059.run(Unknown Source)

– Affected screen –
Details:
Screen name: ddb
Stacktrace:
at czt.wrapScreenError(SourceFile:441)
at cvl.a(SourceFile:86)
at cvl$$Lambda$1516/1632648448.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.glfwPollEvents(GLFW.java:3050)
at cud.l(SourceFile:425)
at cud.c(SourceFile:283)
at cvk.b(SourceFile:1023)
at cvk.e(SourceFile:976)
at cvk.b(SourceFile:411)
at net.minecraft.client.main.Main.main(SourceFile:154)

– System Details –
Details:
Minecraft Version: 1.14.2
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: 1173088840 bytes (1118 MB) / 1979711488 bytes (1888 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
Launched Version: 1.14.2
LWJGL: 3.2.1 build 12
OpenGL: GeForce RTX 2080 with Max-Q Design/PCIe/SSE2 GL version 4.6.0 NVIDIA 430.86, 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)
CPU: 12x Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz