Sometimes, when you change your WordPress website address, your site shows a 500 Internal Server Error.
This stops your website from opening.
Visitors cannot see your pages, and Google does not like broken websites.
Do not worry.
This blog shows simple ways to fix the WordPress 500 Internal Server Error step by step.
We also explain how WordPress helpdesk plugin and Free WordPress helpdesk plugin can help.
What Is 500 Internal Server Error?
A 500 Internal Server Error happens when the server cannot load your website.
It is not your internet or browser problem.
It can appear after changing the site URL, installing new plugins, or changing the theme.
You may see a message like “500 Internal Server Error Details”.
Why It Happens After Changing URL
Changing your WordPress URL can cause:
Broken links on your website
Plugins not working
Themes showing wrong pages
These problems confuse the server and show a 500 Internal Server Error.
Step 1: Check Plugins
Some plugins do not work well after changing the URL.
Fix:
Deactivate all plugins
Open your website
If it works, activate plugins one by one
Find the plugin causing the error
Use a WordPress helpdesk plugin or Free WordPress helpdesk plugin to see plugin errors easily.
Step 2: Check Website Links
WordPress uses a file called .htaccess to control links.
A broken file can cause a 500 error.
Fix:
Rename the file to .htaccess_old
Go to WordPress dashboard Settings Permalinks Save
WordPress creates a new working .htaccess
Step 3: Check Your Theme
Sometimes the theme cannot work after URL changes.
This can cause the 500 Internal Server Error.
Fix:
Change the theme to a default WordPress theme
Check your website
If it works, the old theme needs fixing
Step 4: Increase Server Memory
Low server memory may show 500 errors.
Fix:
Ask your hosting provider to increase PHP memory
Or use a plugin that increases memory safely
Step 5: See Error Details
The 500 Internal Server Error Details tell which plugin or file is causing the problem.
Fix:
Check error logs from hosting
Fix the problem safely
Or contact hosting support
Step 6: Revert URL If Needed
If nothing works, return to the old website URL.
This keeps the website safe while you fix errors.
Step 7: Use Helpdesk Plugins
A WordPress helpdesk plugin or Free WordPress helpdesk plugin makes fixing easy.
They help:
Track plugin problems
Check theme issues
See 500 Internal Server Error Details quickly
Step 8: Contact Hosting Support
If you cannot fix the problem, your hosting provider can help.
They can:
Check server logs
Fix PHP or server issues
Make your website work again
Tips to Avoid 500 Internal Server Error
Always backup your website before changing URL
Use Free WordPress helpdesk plugin to monitor errors
Update WordPress, themes, and plugins regularly
Use trusted themes and plugins
Check plugins before activation
Final Words
A 500 Internal Server Error can be scary but easy to fix.
Follow these steps:
Check plugins
Check .htaccess file
Check themes
Increase server memory
Check error details
Revert URL if needed
Use helpdesk plugins
Use a WordPress helpdesk plugin or Free WordPress helpdesk plugin to track problems.
A fast and working website keeps visitors happy and helps your business grow.
You can also visit our Solutions website for more help.