Unity crashes on opening a project
This sounds like a normal question but i cant find an answer anywhere that helps me so I'm just going to ask for help. Every time I open a premade project through unity hub, i see the splash screen and then 1 second later unity hub opens back up, gives a error "Unity is already in list. You cannot locate the same version" for a very brief second and then refreshes I guess. The unity splash screen is up for about 5 or 10 more seconds after unity hub is reopened, then just quits. I've tried switching to a beta version of unity hub, using a older version 2.0.4, upgrading and downgrading unity versions, and each time I downgrade or upgrade and try to switch project versions, it gives me the same error message and when unity hub is back up, I see that the version hasn't changed. I also want to note that out of nowhere, yesterday my project just opened up just fine, no errors or anything (I didn't even try to do anything to fix it, it just worked.). Now today comes around and I'm getting the issue again. Making a new project works, but the issue is that it doesn't use the "Built In" package in package manager, which doesn't allow me to use physics or nearly anything. Trying to switch to it just gives me a warning saying "You do not have entitlements to this package". Restarting just crashes it. Opening my scene through my project files works but i get the package manager issue. Any help?