Try this

Click Start –> Control Panel–> Internet Options

Select Security tab and then select Restricted Sites and then click on Sites

Copy

http://aka-cdn-ns.adtech.de (Click “add Button”)
http://uk.at.atwola.com (Click “add Button”)

Then click on OK

After that click on Privacy tab, then click on Edit

Copy

http://aka-cdn-ns.adtech.de (Click “Block”)
http://uk.at.atwola.com (Click “Block”)

Then click on OK, Apply and then OK

John