I have an issue with signing in on different things on Chrome

Okay. So I downloaded Chrome because my other server was running to slow. I was trying to get into my emails and then some other stuff like my youtobe account. I always get this thing that says "The site's security certificate is signed using a weak signature algorithm" and under it is " 你 attempted to reach (insert webtitle here) but our server presented a certificate signed using a weak algorthium. This means the security credentials the server presented could have been forged, and the server may not be the server 你 expected (you may be communicating with an attacker). 你 cannot proceed because the website operator has requested heightened security for this domain"

I know its the website I want and I was wondering if there was anyway to make this stop so I can check my stuff.