
Internal Exception: java.io.IOException: an existing connection was forcibly closed by a remote host
Submit a Connection Issue Report to Hypixel Support. : Connection timed out: no further information
You can also make sure you have the most up-to-date of the Minecraft launcher, which can be found here. See the official Java website for updated versions. Keep your Java up to date to help avoid this issue. If the issue persists after doing this, please contact your Internet provider. Restart/Unplug and reconnect your router. start by doing the generic solutions above. It means that Minecraft doesn't quite know what is happening. This is a generic issue that comes up when trying to connect to any Minecraft server.
These could be issues on our side or your side, so be sure to try all solutions. Several different errors could appear when trying to connect to the Hypixel Server. To run an MTR, please look at this guide. There, we will try to help you figure out what the issue is.
If you have tried the above solutions without any success, run an MTR and report it to the Hypixel Support Team. You most likely do not have a DNS cache issue, it may be a different problem. Open your Command Prompt and type "ipconfig /flushdns" and hit enter. Go to your computer's search and look for "cmd" or command prompt. Remove any modifications currently installed, they may be causing an issue. Change game settings to lower graphic options.
Change your Minecraft version ( this guide will show you how).We recommend you try the methods listed below first but if you can't seem to solve the issue then feel free to contact support by doing so here. This guide can help solve general connectivity issues to the Hypixel Server. Connection and lag issues can be caused by a variety of things.