A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
FINALLY. I got a lot of Unity errors and this was the cause. Also solved with Malwarebytes. Looks like miners F*** up with the Unity importer......
I still have this issue on 2019.1.2f1 fresh new projects. I've tried reinstalling Unity, clearing the cache and the package folders, reinstalling...