Pycharm wont start reliably

Pycharm only seems to launch after a fresh reboot. It wont launch if some time has passed or if it had previously been open and then closed. Launching from the command terminal does not help.

This is the output from launching the .bat file from terminal.

2022-01-11 16:31:37,067 [ 1271] ERROR - llij.ide.plugins.PluginManager - java.lang.IllegalStateException: failed to create a child event loop
java.util.concurrent.CompletionException: java.lang.IllegalStateException: failed to create a child event loop
at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314)
at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1702)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1692)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)
Caused by: java.lang.IllegalStateException: failed to create a child event loop
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:88)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:60)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:49)
at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:59)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:87)
at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:82)
at org.jetbrains.io.BuiltInServerKt.multiThreadEventLoopGroup(BuiltInServer.kt:158)
at org.jetbrains.io.BuiltInServerKt.access$multiThreadEventLoopGroup(BuiltInServer.kt:1)
at org.jetbrains.io.BuiltInServer$Companion.start(BuiltInServer.kt:58)
at com.intellij.idea.SocketLock.lambda$lockAndTryActivate$2(SocketLock.java:152)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700)
... 6 more
Caused by: io.netty.channel.ChannelException: failed to open a new selector
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175)
at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:142)
at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:183)
at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:38)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84)
... 16 more
Caused by: java.io.IOException: Unable to establish loopback connection
at java.base/sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:94)
at java.base/sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:61)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/sun.nio.ch.PipeImpl.<init>(PipeImpl.java:171)
at java.base/sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50)
at java.base/java.nio.channels.Pipe.open(Pipe.java:155)
at java.base/sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:142)
at java.base/sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44)
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:173)
... 20 more
Caused by: java.net.SocketException: Permission denied: connect
at java.base/sun.nio.ch.Net.connect0(Native Method)
at java.base/sun.nio.ch.Net.connect(Net.java:476)
at java.base/sun.nio.ch.Net.connect(Net.java:468)
at java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:692)
at java.base/java.nio.channels.SocketChannel.open(SocketChannel.java:194)
at java.base/sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:127)
at java.base/sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:76)
... 28 more
2022-01-11 16:31:37,074 [ 1278] ERROR - llij.ide.plugins.PluginManager - PyCharm 2021.3.1 Build #PC-213.6461.77
2022-01-11 16:31:37,078 [ 1282] ERROR - llij.ide.plugins.PluginManager - JDK: 11.0.13; VM: OpenJDK 64-Bit Server VM; Vendor: JetBrains s.r.o.
2022-01-11 16:31:37,078 [ 1282] ERROR - llij.ide.plugins.PluginManager - OS: Windows 10
2022-01-11 16:31:37,080 [ 1284] ERROR - llij.ide.plugins.PluginManager - Last Action: