How to fix HTTP Error 500 in WordPress?

Troubleshooting HTTP Error 500 in WordPress: A Comprehensive Guide

Experiencing an HTTP Error 500 in WordPress can be a daunting issue for website owners and developers alike. This internal server error is not specific to WordPress but is a common problem that can disrupt a website’s functionality. In this article, we’ll explore the causes of HTTP Error 500 in WordPress, how to diagnose and fix it, and answer some frequently asked questions about this error.

What is HTTP Error 500 in WordPress?

HTTP Error 500 is a general server error that indicates something has gone wrong on the website’s server. However, the server cannot specify the exact problem. In the context of WordPress, this error often occurs due to issues with a theme or plugin, a corrupted .htaccess file, or problems with the server itself.

Diagnosing HTTP Error 500 in WordPress

To resolve the HTTP Error 500 in WordPress, you need to diagnose the root cause. Here are some steps to take:

1. Check the .htaccess File

A corrupted .htaccess file is a common culprit. Access your site via FTP, locate the .htaccess file in the root directory, rename it (e.g., .htaccessold), and try loading your site again.

2. Increase PHP Memory Limit

Sometimes, the error occurs because the PHP memory limit is exhausted. Increase the limit by editing the wp-config.php file and adding the line

3. Deactivate Plugins and Themes

A faulty plugin or theme can cause this error. Deactivate all plugins and revert to a default theme to see if the problem persists. If the site works, reactivate each one by one to identify the offender.

4. Check File Permissions

Incorrect file permissions on your server can also lead to this error. Ensure that folders have a permission level of 755 and files have 644.

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5. Debugging

Enable debugging in WordPress by adding
DEBUG’, true);
to your wp-config.php file. This can provide more specific error messages.

6. Server Issues

If none of the above solutions work, the problem might be with the server itself. Contact your hosting provider for assistance.

Frequently Asked Questions HTTP Error 500 in WordPress

Q1: What causes HTTP Error 500 in WordPress?
A1: Causes can include a corrupted .htaccess file, an exhausted PHP memory limit, faulty plugins or themes, incorrect file permissions, or server issues.

Q2: How can I access my .htaccess file to fix HTTP Error 500?
A2: You can access your .htaccess file using an FTP client or through your hosting provider’s file manager.

Q3: Will increasing the PHP memory limit always fix HTTP Error 500?
A3: Not always, but it’s a common solution when the error is due to memory exhaustion.

Q4: How do I know if a plugin or theme is causing HTTP Error 500?
A4: By deactivating all plugins and switching to a default theme. If the error resolves, reactivate each one at a time to identify the cause.

Q5: Should I contact my hosting provider about HTTP Error 500?
A5: Yes, if you’ve tried the above troubleshooting steps and the error persists, your hosting provider may be able to identify and resolve server-side issues.


HTTP Error 500 in WordPress can be frustrating, but it’s often fixable with some basic troubleshooting. By following the steps outlined in this guide, you can identify and resolve the issue, restoring your website to full functionality. Remember to back up your site before making any changes, and if you’re unsure about any steps, seek assistance from a professional. Keep your WordPress site healthy and error-free to ensure a smooth experience for your visitors.

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