website from unsafe to safe

Avast won’t allow me to go to a site I have been using for a long time and I say it is safe. what can I do to fix this?

No.Only avast! can fix this.Pls go and upload the website to virustotal.And see.

You can report a possible FP here: https://www.avast.com/contact-us.php?subject=VIRUS-FILE