How to Fix 404 Error in WordPress Quickly and Easily

A 404 error in WordPress usually happens because the permalinks settings are broken or the .htaccess file is missing or misconfigured. To fix it, go to Settings > Permalinks in your dashboard and click Save Changes to refresh the permalink rules, or manually update the .htaccess file with correct rewrite rules.

Why This Happens

WordPress uses permalink settings to create friendly URLs for your pages and posts. If these settings get corrupted or the server rewrite rules are missing, WordPress cannot find the page and shows a 404 error. This often happens after moving a site, changing servers, or editing the .htaccess file incorrectly.

apache

# Broken .htaccess example causing 404 errors
# BEGIN WordPress
# (missing or incorrect rewrite rules)
# END WordPress

Output

404 Not Found - The requested URL was not found on this server.

The Fix

To fix the 404 error, reset your permalink settings to regenerate the rewrite rules. You can do this by going to Settings > Permalinks in your WordPress dashboard and clicking Save Changes without changing anything. If that doesn't work, update your .htaccess file manually with the correct WordPress rewrite rules.

apache

# Correct .htaccess content for WordPress
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress

Output

Pages load correctly without 404 errors.

Prevention

Always back up your .htaccess file before making changes. Avoid manually editing permalink structures unless necessary. Use WordPress dashboard to update permalinks and test after moving or changing hosting. Ensure your server supports mod_rewrite or equivalent URL rewriting. Regularly check your site URLs after updates or migrations.

Related Errors

Other common errors include:

• 500 Internal Server Error: Often caused by incorrect .htaccess rules or plugin conflicts.
• 403 Forbidden: Happens when file permissions are wrong.
• White Screen of Death: Usually due to PHP errors or memory limits.

Fixes often involve checking server files, permissions, and disabling plugins.

Key Takeaways

Reset permalinks in WordPress dashboard to fix most 404 errors.

Ensure your .htaccess file has correct WordPress rewrite rules.

Backup .htaccess before editing and avoid manual permalink changes.

Check server supports URL rewriting like mod_rewrite.

Test site URLs after migrations or major changes.