Ultimaker cura - problem import STL

Hi, my name “Luigi”, from italy. My english elemetary.

My problem Ultimaker Cura 5.7.2 no import STL?

How to fixed problem from flatseal permession ?

Thanks.

ok, fix solved problem import slow STL.

Open cura
Disable plugin USB priting.
Restart cura

Fixed problem.
Thanks ,

My search google fix problem

Weird, pretty sure I can just load them via drag and drop on my end.