I just activated some add ons that came with Blender -- and now I can't open the User Prefs any more. The User Prefs Icon has an X on it.
I'm on a Macbook air and am using Blender ver 2.79b 2018-03-22 -- I am also using a reg 3 button mouse.
Everything seemed to work fine until I activated the modeling add ons and a couple others like ant.
Do I need to uninstall Blender and re-install and how do I prevent this from happening again with add ons?
Thank you.