How to Fix Internal Server Error (wordpress)

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Have you encountered a 500 Internal Server Error while using WordPress? This error can be quite frustrating, especially for beginners, as it doesn’t provide specific information about the issue. In this guide, we’ll explain how to easily resolve the 500 Internal Server Error in WordPress.

Understanding the 500 Internal Server Error

The 500 Internal Server Error is a common web server error that can occur with any website, not just WordPress. It’s represented by the HTTP error code 500, which essentially means that the server encountered an unexpected problem while processing a request. Unfortunately, this error message doesn’t offer much guidance on how to fix the issue.

Imagine it’s like going to the doctor and saying you have pain without specifying where. Similarly, this error doesn’t pinpoint the exact problem. However, understanding common causes can help you troubleshoot it.

Common Causes of the Internal Server Error in WordPress

The 500 Internal Server Error in WordPress can result from various issues, such as a corrupted .htaccess file, poorly coded plugins, problems with your active WordPress theme, PHP memory limitations, or corrupted core WordPress files.

Now, let’s explore how to troubleshoot and resolve this error step by step.

1. Clearing WordPress and Browser Cache

Sometimes, browsers and caching plugins store a cached version of an error page, leading to the 500 error. To address this, clear your browser cache and, if possible, clear the WordPress cache through your caching plugin settings.

2. Checking for a Corrupt .htaccess File

The .htaccess file, responsible for server configuration and redirects, can become corrupted and trigger the error. You can try fixing this by visiting the WordPress admin area’s “Permalinks” settings and simply clicking “Save Changes” without making any alterations. WordPress will attempt to regenerate or update the .htaccess file.


3. Increasing PHP Memory Limit

If a script consumes all available PHP memory, the error can occur. You can increase the PHP memory limit by editing the wp-config.php file. However, be cautious when doing this to avoid breaking your site. If this doesn’t work, consider asking your hosting provider for assistance in diagnosing the problem.

4. Deactivating All WordPress Plugins

The error might be caused by a specific plugin or a combination of plugins conflicting with each other. If you can access your WordPress admin area, deactivate all plugins and gradually reactivate them to identify the culprit. If you can’t access the admin area, use FTP to deactivate plugins by renaming the “plugins” folder.

5. Switching to a Default WordPress Theme

Your current WordPress theme could contain problematic code. Switching to a default theme like Twenty Twenty-Three can help identify if the theme is causing the error. You can do this via the WordPress admin area or FTP.

6. Re-Uploading Core Files

If none of the above steps work, consider re-uploading the /wp-admin/ and /wp-includes/ folders from a fresh WordPress installation. This won’t affect your content but can resolve issues caused by corrupted files.

7. Enabling Debug Logs

WordPress has a built-in debugging system. You can activate it using the WP Debugging plugin or by adding code to your wp-config.php file. This can help identify errors and warnings that may provide insight into the issue.

8. Contact Your Hosting Provider

If none of the above solutions work, don’t hesitate to contact your web hosting support team. They can check server logs and pinpoint the root cause of the error.

Remember, troubleshooting the 500 Internal Server Error may require some patience and careful steps, but with persistence, you can resolve the issue and get your WordPress website back on track. If you’re new to WordPress troubleshooting, you can refer to our comprehensive guide for additional help.

9. Seek Professional Help

If, despite all your efforts, you’re still unable to resolve the 500 Internal Server Error in WordPress, it might be time to consult a professional WordPress developer or hire a technical expert. They have the experience and expertise to diagnose and fix complex issues.

You can contact us and we will render the services to fix your problems.

10. Preventive Measures

Once you’ve resolved the 500 Internal Server Error, it’s essential to take preventive measures to avoid encountering it in the future:

  • Regular Backups: Maintain up-to-date backups of your WordPress website, including the database and files. This ensures you have a safety net in case of unexpected errors or crashes.
  • Plugin and Theme Updates: Keep your WordPress plugins and themes updated to the latest versions. Developers often release updates to patch bugs and security vulnerabilities.
  • Quality Hosting: Choose a reliable and reputable hosting provider that offers excellent support and server stability. Hosting plays a significant role in website performance and stability.
  • Security Plugins: Consider using security plugins to protect your website from malicious attacks and vulnerabilities. Popular options include Wordfence and Sucuri Security.
  • Monitoring: Use website monitoring tools or services that can alert you to any issues or downtime promptly. This helps you address problems before they affect your visitors.
  • Regular Maintenance: Perform routine maintenance on your WordPress website, such as cleaning up unused plugins and themes, optimizing your database, and monitoring site performance.


The 500 Internal Server Error can be frustrating, but it’s a common issue that can be resolved with patience and the right troubleshooting steps. By following the methods outlined in this guide and taking preventive measures, you can keep your WordPress website running smoothly and minimize the chances of encountering this error in the future.

Remember that it’s essential to approach each step carefully and make backups before making any significant changes to your website. If you’re unsure about any aspect of the troubleshooting process, seek assistance from professionals who specialize in WordPress development and support.

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