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?

If you have come across the Exit Code 1 error on Minecraft that causes the game to crash when loading it, here's what you can do to fix it.

Outdated drivers or Java- the outdated Java runtime or the graphics driver could lead to errors. Incompatible mods- conflicting, outdated mods can cause a crash.

If you see Minecraft has run out of memory error, your might have to allocate more memory to Minecraft, Reduce video settings, etc.

Minecraft Error Code 1 in the Java Edition results from various issues like insufficient RAM, corrupted game files, and outdated drivers. Players can fix this error through multiple steps.