cPanel Troubleshooting – Common Issues & Fixes

cPanel is widely used for Linux hosting. If your website, email, or panel access fails, use the fixes below.

🔐 Login Not Working

  • Use access URL: /cpanel or :2083
  • Clear browser cache / try Incognito
  • Check firewall block / hosting security
  • Reset password from hosting panel

📧 Email Sending / Receiving Errors

  • Fix DNS: MX, SPF, DKIM, DMARC
  • Enable SMTP authentication
  • Check email quota in cPanel
  • Scan server for spam activity

🗄️ Database / MySQL Errors

  • Repair DB in phpMyAdmin → Repair Table
  • Check config.php DB credentials
  • Restart MySQL service
  • Remove corrupted plugins/themes

🚨 High CPU / RAM / Disk Usage

  • Enable caching (LiteSpeed, Redis)
  • Remove unused themes/plugins
  • Scan files for malware
  • Optimize Cron jobs

🌐 Website Errors (403 / 404 / 500 / 503)

  • Fix .htaccess file
  • Correct folder/file permissions
  • Increase PHP memory & execution time
  • Restart Apache/LiteSpeed