I had the same issue but SOLVED it with the help of another Redditor … 
first, quit Figma and open the preference file as text which is located in C:\Users%User%\AppData\Roaming\Figma\DesktopProfile\v12\Preferences
and look for {“last_directory”:“your_stuck_path_will_be_here”} which is at the end …
and remove that path so it looks like this {“last_directory”:""} … save it …
open Figma and now you are good to go 
here is the Reddit link where we solved this issue … 
already posted it in Image placement bug opens the same folder instead of the most recent - #12 by Camilla … hope this helps …