Hello Henny,
We will help you to update virus defenitions. As the check update option not responding in your PC, we request you to repair the AVG Internet Security (https://support.avg.com/SupportArticleView?urlname=Repair-AVG-Antivirus) and restart the PC.
Please try the above steps and let us know if its help you.
The virusdefinitions are not up-to-date, but it is impossible to make them up-to-date.
The button 'check updates' doesn't respond.
Hello Henny,
We will help you to update virus defenitions. As the check update option not responding in your PC, we request you to repair the AVG Internet Security (https://support.avg.com/SupportArticleView?urlname=Repair-AVG-Antivirus) and restart the PC.
Please try the above steps and let us know if its help you.