How Do You Troubleshoot Common WordPress Errors?

White screen of death, 404 errors, 500 errors, and database connection errors are the most common issues. Most fix within 10 minutes.

How Do You Fix the White Screen of Death?

Rename wp-content/plugins to wp-content/plugins-backup via FTP to deactivate all plugins. Reactivate one by one to find the culprit. If the issue persists, rename your theme folder to force a default theme. This fixes 85% of white screen errors.

How Do You Fix 404 and 500 Errors?

For 404s: go to Settings > Permalinks and click Save Changes. For 500 errors: enable WP_DEBUG in wp-config.php to see the error message. Add define(‘WP_MEMORY_LIMIT’, ‘256M’) for memory-related 500 errors. Read WordPress Dashboard guide.