**System Information**
Operating system: macOS 10.14
Graphics card: AMD Radeon R9 M395X 4096 MB
**Blender Version**
Broken: Blender 2.80 beta, Jan 31
**Short description of error**
When using the animation player, if you close it, it crashes
**Exact steps for others to reproduce the error**
# Render any animation. You can use the default scene and just set the length to 4 frames or whatever
# Go to File > Play Rendered Animation.
# The animation plays
# Now close the Anim Player window, or press Esc
# The Animation Player crashes
This is reproducable every time here, with any format