EPiServer 7: Site crashed unless I'm logged in

Question

When I enter my webpage I get this in my console:

If I log in to EPiServer, I do not get the errors, and it seems fixed for a little while, I can even log out and it works for a couple of hours.

Anyone knows what this is?

Answer 1

To me it seems that an anonymous user is trying to access resources on the server but is being redirected to the login page for said resources. That suggests that the Everyone group cannot access the resources. You need to grant the Everyone group read access to the resources. All problematic resources seems to be in the /Scripts folder so make sure Everyone has read access to it.