Hi @RaRo.
I'll try on a different computer, issue is on a 64bit Windows 10 where version 1.6.0 works as expected.
I also installed the offline examples but still the "Downloading" message appears.
I already tried to run as Administrator with same result. I will try changing the project directory, then.
Best regards,
Paolo
EDIT
Changing the project directory didn't work either. I tried on a Windows 7 64bit computer with direct connection to Internet, and this version works just fine, new project and project conversion.