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Troubleshooting an HTTP 500 internal server error is like solving a mystery.

Y'all don't know what exactly happened or why information technology happened — all yous know is that something'southward wrong and yous need to fix it.

To guide y'all through the hassle of troubleshooting the dreaded HTTP 500 internal server error, let'south go over what it exactly means and its most mutual causes and solutions.

What is an HTTP 500 internal server error?

An HTTP 500 internal server error means your web server is experiencing problems, only it tin't pinpoint the specific error or its root causes. When this happens, your website will serve upwards a general internal server error spider web folio to your site's visitors.

Hither's what your 500 fault page might await similar in your browser:

How to Fix a 500 Internal Server Error

Unlike other server-side errors like a 502 lawmaking or a 503 lawmaking, a 500 internal server error is information technology doesn't immediately tell you what the problem is, nor does information technology tell you how to gear up information technology. If the error persists for also long on your site, it could fifty-fifty negatively impact your SEO.

So, let'due south dive into a few potential causes of the mistake. So, nosotros'll present some solutions so you can try to fix the issue.

Potential Causes of a 500 Internal Server Fault

A 500 internal server error is, as the name implies, a general problem with the website'southward server. More than than probable, this means at that place'southward an issue or temporary glitch with the website'due south programming.

Some potential causes of a 500 internal server error include:

• Corrupted or broken .htaccess file
• A permissions error
• Faulty third-party plugins or themes
• The PHP memory limit beingness exceeded

Fortunately, there are a few effective solutions for fixing nigh of these problems.

If You're Trying to Load a Page with a 500 Internal Server Error:

1. Refresh the page.

This might seem obvious, but if it's a temporary loading issue, you might detect success if you refresh the page. Earlier trying anything else in this list, reload the page and see what happens.

2. Come dorsum subsequently.

Since the error is on the server side, I'1000 willing to bet the website owners are working every bit chop-chop every bit possible to resolve the outcome. Give it a few minutes or up to an hour or so, and then reload the URL and run into if the development squad has fixed the result.

3. Delete your browser's cookies.

If clearing the browser history doesn't work, y'all might try deleting your browser's cookies. If the cookies are associated with the fault-prone webpage, deleting the cookies might help reload the page.

4. Paste your URL into the website "Down for Everyone or Simply Me."

Head to downforeveryoneorjustme.com and paste in the URL where y'all're seeing the internal server error. You'll either be told that the website is only down for you lot, or that the website is down for anybody.

If it's a problem with your server, this should aid assuage any concerns that it'due south an issue with your ain computer.

If the 500 Internal Server Error is on Your Ain Website:

1. Deactivate a plugin or theme.

Newly activated software, add-ons, or third-political party scripts might exist alien with your electric current server configuration. To decide this, attempt (advisedly) deactivating or uninstalling your software add-ons one at a time to identify what exactly is causing the internal server fault.

If you run a WordPress website, this is easy to practise with plugins. From your dashboard, choose Plugins > Installed Plugins, then deactivate the first plugin. If the mistake resolves, y'all know this plugin is role of the issue. Reactivate the kickoff plugin, then repeat this conciliate-reactivate procedure one at a fourth dimension for all plugins to determine which ones are causing your error.

You might detect that having fewer active plugins on your site helps things run more smoothly.

Alternatively, if y'all just upgraded your software, your electric current plugins or themes might not be compatible with the new upgrade. Deactivating plugins or themes i at a time until the fault disappears is the best mode to observe the root cause of your problem.

two. Utilize a plugin like WP Debugging to identify the issue.

If your site is powered by WordPress and you're comfortable with WordPress debugging processes, consider installing a plugin to assistance you identify the issue with your server.

The debug plugin WP Debugging, for case, helps you figure out exactly what's wrong with your site, which will result in a speedier set.

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3. Ensure your PHP setup is configured correctly.

If the consequence is related to a PHP timeout, consider creating timeout rules or mistake handling in your script to resolve the issue. Here's a full list of php.ini directives to configure your PHP setup.

Additionally, incorrect permissions on a file or folder that has a script, like a PHP or CGI script, won't allow the script to run. Check your permissions and make certain you set them correctly on your server.

iv. Check the code for your site's .htaccess file.

Incorrect coding or improper structure with your .htaccess file could be the reason you're seeing the 500 internal error. The .htaccess file helps you manage how long resources should be stored in a browser'south cache. Try editing the file if you're seeing a 500 internal server error.

To locate your .htaccess file, access your website files through a file manager like cPanel or via FTP/SFTP. The file volition probably be located in your public_html directory. There's a good chance your server will hibernate this file from view by default and you lot'll need to toggle hidden files on to see it.

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Coding errors in .htaccess and custom scripts tin can likewise cause an HTTP 500 internal server mistake.

5. Ensure your new software is installed correctly.

Finally, bank check to come across if your recently installed or upgraded software actually failed to install or upgrade. To refresh your software, check the vendor's website for instructions.

Last Resort: Ask a Server Ambassador for Help

If troubleshooting popular software issues or debugging server-side scripts doesn't gear up your HTTP 500 internal server error, you should read about the about common causes for this type of issue in your server's documentation — an HTTP 500 internal server error can occur in dissimilar operating systems for a multitude of reasons.

You can also ask your service provider to access your fault logs and find prove for the root cause of your problem.

Internal server errors are irritating considering they're unhelpful — it's basically the web server'due south way of saying, "Eh, I'thou not sure." Hopefully, one of the above steps volition resolve the problem so you can get dorsum to life as usual.

Editor'south annotation: This mail service was originally published in October 2018 and has been updated for comprehensiveness.

Originally published Jul 29, 2021 i:00:00 PM, updated July 29 2021

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Source: https://blog.hubspot.com/marketing/http-500-internal-server-error