NVIDIA GeForce has just released GeForce Hotfix Driver Version 462.07. Please download this driver update, especially if you've been experiencing the "lost devices" crash in X4: Foundations while using a GeForce RTX 30 Series GPU.

https://nvidia.custhelp.com/app/answers/detail/a_id/5174

Please use NVIDIA's Display Driver Feedback Form in case you still experience issues after updating to the new hotfix driver: https://forms.gle/kJ9Bqcaicvjb82SdA