Since the new update 2020.2.0f1 when I try to import any asset package from Package Manager or directly from my hdd, it starts the import, the bar fills, but nothing happens afterwards. No asset no package anywhere and I am not getting an error, and nothing on the logs. It was fine till the last update, but now I Installed back the 2019.4.16f still not working.
I checked the firewall settings no problem, no change
No antivirus app
Uninstalled/Re-Installed both hub and other versions of Unity
Similar situation on 2019.4.16f1. Start the import asset from Package Manager (My Assets), the bar fills, but nothing happens, no error. But in my case it was a stupid situation - the import window was opening on a second monitor… which was turned off and I not see it
Actually I found the solution and my case is also so stupid Like yours, import window was opening elsewhere which I can’t see. Resetting all Layouts solved the problem.