Threat detected on Tesla Design Studio Page - any browser - any PC

Avast pro issues a threat detected on any browser, on both home pcs when I enter the Tesla Design Studio page. This does not happen on my work pc which is protected by some propriety three level protection. Both home pcs (one running Win 7 and the other Win 10) have been scanned, cleaned, vacuumed and scrubbed to within an inch of their lives - and are updated. Next to replacing Avast with something that works without disabling my business can anyone provide a suggestion for a fix?

thanks

Info missing > What does avast say? … Screenshot would help

And as the name of this forum section say, it is not for posting virus and false positive problems