It worked fine for a few years, but recently I updated my unity hub to 3.4.1 but it worked properly, until today, I restarted my laptop, ran unity as administrator, nothing works, when I click to open a project it just shows that its loading but it doesn't open, did anyone experience same problem? Thanks! https://drive.google.com/drive/folders/1L0V34b9Jnsih-8PofBirrgoaJe9CJrYb?usp=sharing (logs)
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I have the same problem with Unity Hub 3, on older versions (2.0) everything worked fine. After a little investigation, I realized that everything is working correctly, it's just that the Hub will not help you connect to the servers to check the license. I solve my problem using VPN.
UPD: I have such a problem because I live in a sanctioned region in which unity services do not work.
You could try opening Unity editor on its own and loading the project the old school way.
If you google you'll see various "fixes, from logging out and logging back in, reinstalling hub and even returning the license and reapplying it. But Unity Hub's log will most likely tell you which case it is. Look for errors there.