Fix 404 Errors on Custom Post Types After Changing Permalinks (Without Losing Your Rewrite Rules)
WooCommerce products, portfolio items, or other custom post types 404ing after a permalink change? Here's how to fix it without breaking other pages.
CATEGORY 01
WordPress Errors
Diagnose common WordPress failures without jumping straight to risky changes.
GUIDES01 022026-07-22 032026-07-22 042026-07-22 052026-07-22 06SOON
The first troubleshooting paths.
2026-07-22
Fix a WordPress Admin Login Loop Caused by Cloudflare (Turnstile, Bot Fight Mode & SSL Mode Conflicts)
WordPress admin login keeps redirecting back to wp-login.php? Here's how to tell if Cloudflare Turnstile, Bot Fight Mode, or your SSL mode is the cause.
Fix a WordPress Critical Error After Upgrading to PHP 8.1 (Revert or Fix — Which One First?)
White screen or 'There has been a critical error' right after upgrading to PHP 8.1? Revert PHP first, then find the exact plugin causing it with WP_DEBUG_LOG.
Fix WordPress 404 Errors After Changing Permalinks (Apache & Nginx, With Safe Rollback)
Every page 404s after changing your WordPress permalink structure? Here's the Apache fix, the Nginx fix, and how to tell which server you're on.
WordPress Stuck in Maintenance Mode After a Failed Update? Here's the Safe Fix
Site stuck showing 'Briefly unavailable for scheduled maintenance' after an update? Here's how to safely delete the .maintenance file and confirm nothing broke.
Fix 'Error Establishing a Database Connection' After Migrating to GoDaddy Hosting
Article outline prepared. The complete tested guide will be published here.