If Minecraft crashes to desktop or you force close it while it is in borderless fullscreen, upon restarting, the window will be placed in the same position as the window, offset on the screen. This prevents being able to move the window or press the buttons on the bottom of the window.

Suggested Solution: Find some way to readjust the Borderless Window on boot so it is always in the correct position to cover the screen, or at least snug to the monitor's top left corner.

Operating System: Windows 10 x64
Intel and AMD systems, nVidia and AMD graphics, dual monitors

Steps to reproduce:
0: Open Task Manager or equivalent
1: Open Minecraft (with this mod installed)
2: Enter Borderless Fullscreen
3: Create new world
4: Tab over to Task Manager (or equivalent) and force close Minecraft while it is still generating the new world
5: Re-open Minecraft
6: Figure out how to fix the fullscreen window being halfway off the screen bottom when you can't press the right buttons

Note: Sometimes, instead of staying halfway off the screen, the window displays correctly in fullscreen, but the actual window is still offset, so the buttons can't be clicked as you see them.