454 errors show on brand new empty project of unity 2020.3LTS.I was shocked.

I create new project using unity 2020.3LTS.
It starts with multiple errors in console and unity suggests to enter safe mode on brand new project.
All the errors log start with"Library\PackageCache\com.unity.test-framework".
Please help me.I am stucked.

Try to search in the forum before posting, it might save you a lot of time.

This same question was answered here.

You should find the folder they mention in C:/Users/YourUserName/AppData/Local/Unity/cache/packages/packages.unity.com