Same here and more people have this problem, see here:
Weather malfunctioning after the last update (see the video in that post!)
Occurs in desktop app and web app with different NVIDA drivers (560.81, 556.12, 546.17).
Intel i7-10700KF
NVIDIA GeForce RTX 3080
Windows 11 Pro 23H2
Navigraph Charts
Version: 8.35.0
Build: 9461833512
No crash and no error message, only freezing.
Unfortunately no entries in Windows event logs