Avast blocks websites.

Avast Premium is installed. When opening the site, a message appears in the right corner of the screen:
“Avast blocked access to the http// site… … since one of the centers that issued the certificate expired.”
what to do???
Help.
Programs are installed in the Avast package: Avast Premium Security; SecureLine VPN; AntiTrack Premium; Cleanup Premium; Driver Updater

Hi, probably related to: https://scotthelme.co.uk/lets-encrypt-old-root-expiration/

That’s actually normal, happens to me too.