Hello Poul.
I regret for the inconvenience and we will work together to sort this issue. This might happen due to software corruption during previous update, repairing AVG Internet Security will fix the issue. Please follow the steps from the below article to repair AVG Internet Security.
http://https://support.avg.com/SupportArticleView?l=en&urlName=repair-avg-antivirus&q=repair&supportType=home (http://https://support.avg.com/SupportArticleView?l=en&urlName=repair-avg-antivirus&q=repair&supportType=home)
If you still face any difficulties, please let us know and we will assist you further.
Internet security can not update my virus database.
Also I have been unable to get contact to Support Center.
Hello Poul.
I regret for the inconvenience and we will work together to sort this issue. This might happen due to software corruption during previous update, repairing AVG Internet Security will fix the issue. Please follow the steps from the below article to repair AVG Internet Security.
http://https://support.avg.com/SupportArticleView?l=en&urlName=repair-avg-antivirus&q=repair&supportType=home (http://https://support.avg.com/SupportArticleView?l=en&urlName=repair-avg-antivirus&q=repair&supportType=home)
If you still face any difficulties, please let us know and we will assist you further.