Do you have try to deactivate the GPU support?
Edit->Preferences->Performance, uncheck Use Graphics Processor
thanks, but still frozen. It was checked but unchecking, rebooting and reinstallation has not made a difference, still freezing when I try to import, even on a fresh catalogue.
Please try removing all connected external devices(like Phone, Tablet or an external drive) and try importing.
Let us know if that helps.
Thank you Akash. When I removed my USB 3.0 card reader, the import dialogue worked.
Glad to know it helped.