Minecraft Can't resolve hostname means that Minecraft cannot connect to the hostname as the IP address cannot be found. Here's how to fix it.

In this guide, we’ll show you the tips that you can try to fix this problem. How to fix Minecraft Internal Exception Java.IO.IOException error?

Check Minecraft’s server status. Before you move on, find out if Minecraft’s servers are down at the moment for maintenance.

Here's our guide on fixing the issue regarding an outdated server error when trying to load up Minecraft.