Why Is My SSL Certificate Not Working? Print

  • SSL Not Working, HTTPS Not Working, Certificate Error, SSL Invalid
  • 0

You installed an SSL certificate, but your browser still says it's not working, or your site loads with errors. Here are the common reasons.

Reason 1: SSL Not Installed Properly

  • Check: Log in to cPanel > "SSL/TLS Status." Does it show your domain as "covered"?

  • Fix: If not, click "Run AutoSSL" to force a reissue.

Reason 2: Mixed Content (HTTP vs. HTTPS)
This is the #1 reason. Your page loads via HTTPS, but it tries to load images, scripts, or CSS via HTTP. The browser blocks them and shows a warning.

  • Fix (WordPress): Install a plugin like "Really Simple SSL." It automatically finds and fixes mixed content.

  • Manual Fix: Use your browser's Inspector tool (F12) and check the "Console" tab for "Mixed Content" errors. Update those URLs to HTTPS.

Reason 3: Certificate Doesn't Match the Domain

  • If your certificate is for www.yourdomain.com but you are visiting yourdomain.com (or vice versa), you may get an error.

  • Fix: Ensure your SSL covers both versions (most free certificates do). Then, set a preferred domain and force HTTPS (see Article 73).

Reason 4: Certificate Has Expired

  • Check: Click the padlock icon in your browser. Check the certificate details.

  • Fix: Run AutoSSL in cPanel to renew it. Ensure your domain is pointed to our server so the renewal can validate.


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