PyCharm 5.0.1 doesn't resolve builtin modules / methods

Question

My PyCharm 5.0.1 installation does not resolve references to any builtin modules or methods:

As you can see, I have installed python over cygwin.

I alr

Answer 1

I use Windows 10 x64, Python 3.5.1 and PyCharm Community Edition 2016.1.4

I have the same problem and sovled it by runnig PyCharm in admin mode (it is required only once).