Sysadmins of the North

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How to fix Joomla! HTTP 500 errors after updates

How to fix Joomla! HTTP 500 error after updates? Over the last week we, at Vevida, received quite some problem reports by customers who updated Joomla! to version 3.2.0. After logging on to their administrator back-end, they received an HTTP 500.0 error with error code 0x8007000d. Let’s investigate and resolve this Joomla! Administrator login HTTP 500 error.

The information in this post is still valid, even for Joomla 3.6.4 and up!

What is the Joomla! HTTP Error 500?

Unfortunately this Joomla! HTTP Error 500: Internal Server Error has nothing important to tell, except Internal Server Error, The data is invalid. (0x8007000d) on IIS.

That’s not much…

It basically means that somewhere the output breaks FastCgi and PHP output.

The given HTTP 500.0 error, after logging on, looks like:

An IIS Failed Request Tracing report looks like:

How to fix a Joomla! HTTP Error 500 after Joomla! updates

Often, you can fix this HTTP error 500 in Joomla pretty easy. If only I knew this earlier, it would have saved me some time 🙂 . This post certainly will save you time.

Follow the next steps:

  1. when you’ve tried to log on and the HTTP 500.0 error is displayed, add ?option=com_installer&view=database in the address bar of your browser to the URL. The full URL then becomes
  2. after pressing the ENTER key on your keyboard, you’re automatically logged on to your Joomla! 3.2.0 administrator back-end.
  3. You’ll probably notice database errors. These database errors can be repaired in the back-end using the Fix-button, and this resolves the log on issue permanently

Curious to learn how to optimize Joomla with just 8 simple tips?

HTTP 500 fix tested and verified with Joomla 3.2.4, 3.3.6 and 3.6.4

This fix for HTTP 500 errors during log-on to Joomla administrator is still valid for Joomla 3.2.4, 3.3.6 and Joomla 3.6.4 updates.

Incorrect file permissions on log/error.php

Turns out, at least on Windows Server IIS, PHP/FastCgiModule might throw this 0x8007000d error if file and directory permissions are improperly (incorrectly) configured. You have to correct that as well.

However, at the same time, after setting correct file permissions on logs/error.php and logging in, Joomla complained about two database problems:

Database schema version (3.1.1) does not match CMS version (3.3.6-2014-09-30).
Database update version (None) does not match CMS version (3.3.6).


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  1. Paul

    Doesn’t help unfortunately. The login dialogue box still appears and the HTTP 500 error then aoccurs.

  2. Sven

    THANK you so much You made my day try to fix this shit since yesterday xD

  3. Tim

    Yep, fixed my issue too, thanks!!

  4. Valentin

    Thank you. it works for me. You are great.

  5. Mark Keus

    Thanks! Worked for me!

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