Some Minecraft users see an error message saying Connection Lost, Internal Exception: java.io.IOException, An existing connection was forcibly closed by the remote ...

Minecraft Internal Exception errors can be frustrating to get rid of if you do not know what to do. While Minecraft isn't one of the most graphically intensive games ...

The Internal Exception Java.IO.IOException error usually occurs when you launch Minecraft, or when the game is underway. This error can be caused by a number of different things.