Question Web browsers errors won't let me in to some website

[Pedrox89]

Hello again 😉
Theres one website www.gaiaonline.com im her active user since year 2008
But few days ago i cannot entry, because Firefox,Chrome won't let me in

Firefox error
SSL_ERROR_BAD_CERT_DOMAIN

Chrome error
NET::ERR_CERT_COMMON_NAME_INVALID

This website are harmless, i don't know why web brosers think that website are unsafe
So ive ingore it, and FF & Chrome shows me 403 forbidden error instead

Ive clean up web browers catche and cookies, problem still exist
Ive change time clock on system Problem still exist
Ive disabled Antivirus Problem still exist

Im run out of ideas, what to do next. i never had that problem before with that website.
I contacked to staff of this website on thier facebook but no one reply me yet.

 

[COLGeek]

Do you have issues connecting to any other secure sites (HTTPS)?

 

[Nemesia]

On the chrome browser the process is as follows, go to settings, then show advanced settings, after that on the Change Proxy Settings click on the clear the SSL state and SSL common name mismatch error is corrected.

https://www.ssl2buy.com/wiki/how-to-fix-err_cert_common_name_invalid-in-chrome

 

[Pedrox89]

Do you have issues connecting to any other secure sites (HTTPS)?

only this one webiste, other sites what uses HTTPS are fine