⚡ Quick Fix
- Rename or delete
.htaccessfile - Increase PHP memory limit to 256M
- Deactivate plugins via FTP
What Does Error 500 Mean?
The HTTP 500 "Internal Server Error" is a general server error. It means something went wrong, but the server can't tell you exactly what. This makes troubleshooting challenging – but not impossible.
Common Causes
- Corrupted .htaccess – The most common cause!
- PHP memory limit – Server doesn't have enough RAM
- Plugin conflict – Faulty plugin
- Corrupted core files – Damaged WordPress installation
- Wrong file permissions – 755 for folders, 644 for files
Step-by-Step Solution
1
Check .htaccess
The most common cause! Rename .htaccess via FTP to .htaccess_backup and test the site.
2
Increase Memory Limit
// In wp-config.php
define('WP_MEMORY_LIMIT', '256M');3
Deactivate Plugins
Rename /wp-content/plugins to deactivate all plugins at once.
Prevention
- Create regular backups
- Test updates on staging first
- Use quality hosting with sufficient resources