Put the summary of the bug you're having here
What I expected to happen was...:
Maximizing the screen.
What actually happened was...:
The Minecraft screen didn't maximize.
Steps to Reproduce:
1. Login to Minecraft and minimize your Minecraft.
2. Load or create a world.
3. Maximize your screen while your world is loading.
Duplicate of MC-13661, please use the search function to see if your bug has already been submitted. Currently over 58% of tickets are being closed as duplicate.