jcompton, on 28 Nov 2013 - 04:20, said:
We've filed a question with the PPG server host about these issues, which I know are affecting a minority of visitors. Because we can't replicate them, it's difficult to know exactly how to combat it. We'll update people when we know more, in the meantime, please bear with us.
Cheers! It's weird indeed. I got the links working using my universitys VPN connection.