Hello Anne,
I am sorry to hear that. Please disable AVG temporarily(http://support.avg.com/SupportArticleView?urlname=How-to-use-Passive-Mode) and check if you still get this message when you try to access web sites. If you are able to access without any issue, then follow the below steps and check if that fix the issue.
Open AVG Internet Security->Menu->Settings->Components->Online Shield->Disable https scan
Please check if you are able to access the web sites after disabling https scan. If you face any difficulties, feel free to contact us.
I usually use the Google search engine but for the past week, when I click on some web sites, I get the message
Hello Anne,
I am sorry to hear that. Please disable AVG temporarily(http://support.avg.com/SupportArticleView?urlname=How-to-use-Passive-Mode) and check if you still get this message when you try to access web sites. If you are able to access without any issue, then follow the below steps and check if that fix the issue.
Open AVG Internet Security->Menu->Settings->Components->Online Shield->Disable https scan
Please check if you are able to access the web sites after disabling https scan. If you face any difficulties, feel free to contact us.