Are you getting the frustrating “Internal Exception Java.IO.IOException” error when playing Minecraft? This problem affects a lot of players because it can be triggered by a number of factors.

How can players fix the JNI Error? In most cases, the JNI error can be fixed simply by updating Java on the device to match the latest release. In this case, it's Java 16.

The error Java update did not complete, Error Code 1618 prevents users from installing or updating Java on their system. Here is a working fix.