Error: "The online content is unavailable"

Hi Soopcha,

We're glad to look into this & help you.
From your description, we're uncertain about the exact issues (such as performance, advanced) that you're looking to resolve. 
Please share us the screenshot of the detected issues about which you're concerned & clarify whether you use a free or paid version of AVG.

When the antivirus finds complex problems and I click on the "Solve everything" button, it displays an error: "The online content is unavailable
Please, check your internet connection and try again."
What can I do about it?

Hi Soopcha,

We're glad to look into this & help you.
From your description, we're uncertain about the exact issues (such as performance, advanced) that you're looking to resolve. 
Please share us the screenshot of the detected issues about which you're concerned & clarify whether you use a free or paid version of AVG.