How to Fix 500 Internal Server Error in WordPress (Beginner’s Guide)

The 500 Internal Server Error is a generic WordPress error that usually means something went wrong on the server.

Common Causes of 500 Error

• Corrupted .htaccess file
• Plugin conflicts
• PHP memory exhaustion
• Incorrect file permissions

Method 1: Reset .htaccess File

Go to your site root and rename:

.htaccess → .htaccess-old

Then go to Settings → Permalinks → Save Changes.

Method 2: Disable Plugins

Rename the plugins folder just like in WSOD fix.

Method 3: Increase PHP Memory

define('WP_MEMORY_LIMIT', '256M');

Method 4: Check File Permissions

• Folders: 755
• Files: 644

Prevention Tips

• Avoid poorly coded plugins
• Use recommended PHP versions