Sorry to hear this. Could you please try the solution below, and let me know whether or not this helps with your issue?:
- Navigate to:
Steam\steamapps\common\Warhammer 40,000 DARKTIDE\bundle\application_settings
- Open
win32_settings
using Notepad or similar - Change
deadlock_detector_enabled = true
todeadlock_detector_enabled = false
- Save your changes
- Launch Darktide as normal