OpenXR causes FS crash

After the last update, FS freezes in the start, only when Steam VR is active:
The initialization of VR failed.
Please check that OpenXR is installed on your computer and your headset can use it.

SteamVR is up to date.
Need help!

PC Specs:
WIN 10-64 Pro. ASUS ROG STRIX Z390-F GAMING. SAMSUNG 970 EVO+ M.2. Intel Core i9-9900K. MANLI RTX 2080 Ti. KINGSTON HyperX 3200 MHz 32 GB. *ASUS VG278H 3D FHD/Pimax 4K/TrackIR-5/SAITEK X55-Yoke-Rudder-Trim Wheel.