Avira recently acknowledged that Avira Browser Security doesn't allow Web sites to be displayed in the Chrome browser once it's updated to verison 28 (h/t The H Security).

Affected products include Avira Professional Security 2013, Avira Free Antivirus, Avira Antivirus Premium 2013, and Avira Internet Security 2013.

"This is caused by an incompatibility between the latest Google Chrome Browser in version 28 and the Avira Browser Security in conjunction with the IPv6 support," the company stated. "However, it is not enabled by default. Avira is already working on a solution with high priority. In the meantime, as a workaround, we recommend to disable the IPv6 support inside Avira Browser Security in order be able to display websites with Google Chrome version 28."

To disable IPv6 support in Avira Browser Security, users are advised to open the Avira Control Center, navigate to Extras --> Configuration, click on Internet Protection --> Web Protection, disable IPv6 support, then reboot the PC.