Why a Secure Website Can Still Show Connection Errors (And What to Check)
https://meet-wiki.win/index.php/Why_a_Secure_Website_Can_Still_Show_Connection_Errors_(And_What_to_Check)
Sometimes you'll see a secure site fail to load because of a mismatch in the server's SSL certificate, an expired one, or even a simple DNS hiccup—check your date/time settings, try clearing your browser cache, or use an incognito window to rule out local issues.