Some people say that they meet io.netty.channel.AbstractChannel$AnnotatedConnectException connection timed out issue when they play Minecraft.
When you play Minecraft, you may receive the io.netty.channel.AbstractChannel$AnnotatedConnectException connection timed out glitch notice.
Now, lets see how to fix the io.netty.channel.AbstractChannel$AnnotatedConnectException connection refused issue.
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Some users report that they received the Minecraft exit code -1073741819 when launching Minecraft.
This post provides some feasible solutions for you.
it’s crucial that you ensure that the cables are in the right place.

If you are using Wi-Fi, you’re able to reboot your router.
If this doesnt work, move to the next solutions.
Thus, you could also attempt to check the firewalls app permissions to fix the issue.

Here is how to do that:
Step 1: OpenControl Paneland click theWindows Defender Firewallpart.
Step 2: Then, you gotta click theAllow an app or feature through Windows Defender Firewalloption.
Step 3: Now, you’re gonna wanna clickChange prefs.
Then check all thePublicandPrivateboxes forJava (TM) Platform SE binaryand hit the OK button.
Now, you could see if the Minecraft io.netty.channel.AbstractChannel$AnnotatedConnectException connection timed out issue has been fixed.
it’s possible for you to try it with the following steps.
Step 1:Open theRunapplication on Windows and inputfirewall.cpl, then clickOKto openWindows Defender Firewall.
Step 2:ClickTurn Windows Defender Firewall on or offto open theCustomize prefs.
Step 3:Check both theTurn off Windows Defender Firewall(not recommended)options and press theOKbutton.
Now, look to see if the io.netty.channel.AbstractChannel$AnnotatedConnectException connection refused issue still appears.
you’re free to add the IP address and port manually to fix the issue.
Step 1: TypeCommand Promptin theSearchbox and right-click it to selectRun as Administrator.
Step 2: Typeipconfigand take note of theIPV4 Address.
Then open theServer Propertiestext document.
Step 4: Take note of theServer Portnumber.
Open Minecraft and navigate to thePlay Multiplayeroption.
Step 5: poke the server that you want to join and selectEdit.
The Address needs to be the IPV4 address.
Now, the io.netty.channel.AbstractChannel$AnnotatedConnectException issue should be fixed.