Every time I've opened an mse question today my virus checker has put up an alert from
Yesterday all was fine.
I understand that cdn is some technology used by all the SE sites.
Has anyone else seen this? Is there anything I can do? It's very annoying.
Edit 1 I am using Avira version 12. The screen shot in the mso post in Willie's answer is exactly what I get.
Edit 2 I have updated my Avira virus files and rebooted, and the alerts have gone away on the mse posts (which sounds like end of problem) but I still get the alerts opening mso posts. I think I'll wait for Avira to sort themselves out.