Upgraded to Windows 10 now Avast is ruining my fun.

Yesterday I finally upgraded to Windows 10. Today, Avast suddenly doesn’t like me playing a game on Facebook (Rummikub) which I’ve been playing for over a year. I assume it’s because of the Window’s 10 update. Any way to make this stop?

https://rummikub-972e0.firebaseapp.com/__/auth/handler?apiKey=AIzaSyAI5CF-BZBJ4Dql4QZHT1GefBtaSA1Izr0&appName=[DEFAULT]&authType=signInViaPopup&providerId=facebook.com&eventId=846007342&v=5.9.2 [L] URL:Phishing (0)

https://sitecheck.sucuri.net/results/https/rummikub-972e0.firebaseapp.com/__/auth/handler?q=apiKey%3DAIzaSyAI5CF-BZBJ4Dql4QZHT1GefBtaSA1Izr0%26appName%3D%255BDEFAULT%255D%26authType%3DsignInViaPopup%26providerId%3Dfacebook.com%26eventId%3D846007342%26v%3D5.9.2

Report a false positive (select file or website)
https://www.avast.com/false-positive-file-form.php

Detection was removed in 21.01.2020 at 04:48 AM

Our virus specialists have now cleared its reputation in our database.

With URLs this change should be instant, but it might take up to 24 hours with files.