Steps to reproduce:
- Install ReactOS from BootCD
- Boot to 2nd stage
- Go through installation with all defaults
- In the end there are visual glitches
The problem does not seem to affect functionality of the installer, it's probably just a visual bug.
Video demo: 0.4.15-dev-4477-g1461ca4.webm
Cc RaymondCzerny for guilty commit.