Maintenance for the week of December 22:
• [COMPLETE] NA megaservers for maintenance – December 22, 4:00AM EST (9:00 UTC) - 8:00AM EST (13:00 UTC)
• [COMPLETE] EU megaservers for maintenance – December 22, 4:00AM EST (9:00 UTC) - 8:00AM EST (13:00 UTC)
Okay, so it stopped crashing after a few hours, but the black screen thing wouldn't go away.
The Fix: Turn off G-sync in your Nvidia Control Panel.
Something about it was doing something with the display settings when I would click 'Play' on the launcher.