After running a scheduled full scan,I am prompted with the usual pop-up window in the bottom right corner. It says as usual “Some files could not be scanned”. When I open the UI, I get a result of “Threat Detected”. I click the show results button but nothing happens. I assume there is no threat present. Below is a screenshot.
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This is already known.
It must be a bug as the same thing has happened for me. I always run a quick scan just to make sure there is no virus and so far none has shown up.
Just check your Scan History log & also Virus Chest.
If you are getting the random false threat detected then the scan history should show nothing found and nothing in chest.
Here is one of previous threads on the subject: https://forum.avast.com/index.php?topic=158070.15