Update tuneup 2015: message: error internet

Hi Joost,
For help on this issue please refer to http://support.avg.com/SupportArticleView?urlname=Message-Make-sure-that-a-connection-to-the-Internet-is-established-during-AVG-PC-TuneUp-update .
Thanks

After re-install tuneup 2015 still message:

When running an update in AVG PC TuneUp, the following message may be shown:



-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Error

Make sure that a connection to the Internet is established and that communication from AVG Update Wizard is not blocked,
e.g. by a Firewall.
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Hi Joost,
For help on this issue please refer to http://support.avg.com/SupportArticleView?urlname=Message-Make-sure-that-a-connection-to-the-Internet-is-established-during-AVG-PC-TuneUp-update .
Thanks