[Solved] Unity is not opening projects

Question

Recently, after a virus attack on my PC, I formatted it and reinstalled Unity and Unity Hub. Now the problem that I got was that when I create a new project, the editor starts correctly but when I open an existing project some error appears on the Unity Hub screen and disappears within a fraction of second. Even the loading screen is closed. I am using Unity 2020.1.0f1 with UnityHub 2.3.2. The error is Unity is already in list. You cannot locate the same version. Used a screen recorder to find it out. If anyone knows what is causing this weird problem, please reply me I would be really grateful to you.

Thanks in advance.

Answer 1

Answer by zidav111 · Dec 04, 2020 at 08:44 AM

IT HAPPENED TO ME JUST NOW. I RESTARTED MY COMPUTER AND IT STOPPED

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HitarthPadaliya · Dec 15, 2020 at 03:48 AM 0

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It didn't work for me after restarting but what I did was to delete all the registries and folders created by Unity and then uninstall them using a software. Then I installed Unity and it worked for me.

Answer 2

Answer by nigelmerlin · Nov 13, 2021 at 09:00 PM

I solved my issues by changing all permissions in every unity directories and also the project folder, programdata and appdata folder permissions.. The next step is simply to just right click unity launcher in windows 10 and click troubleshoot compatibility... Strangely windows 10 detected unity as an incompatible program, this is a permission issue on windows i guess. From the troubleshooting window menu lauch unity...a moment later unity was reimporting my project... Problems Solved! I am using the version of unity 2020. 3

One thing i want to point out is that all of unity issues are related to windows 10 permissions that Microsoft fuck with every updates...this is a problem from Microsoft

I hope it helps someone

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Answer 3

Answer by neohelios · Dec 28, 2021 at 07:36 AM

Fixed this. Apparently, I had a folder "C:\Users[[my user name]]\AppData\Roaming\Unity" set up as a symbolic link from an old installation (maybe to save HDD space, mapping it to another HDD), and I had to delete that symbolic link (simply delete it from the file explorer) and re-run the Unity Hub AS ADMINISTRATOR. Started right up. Weird.

I discovered this by looking through the logs at "C:\Users[[my user name]]\AppData\Local\Unity\Editor". Scroll down to the the bottom of the txt files and it will tell you where it's not finding the folders it's looking for.

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[Solved] Unity is not opening projects

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