Resolve Joomla HTTP 500.0 error after Joomla! update to version 3.2

Over the last week we, at Vevida, received quite a lot problem reports by customers who updated Joomla! to Joomla! 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.

Unfortunately this HTTP 500.0 has nothing important to tell, except Internal Server Error, The data is invalid. (0x8007000d). So, nothing much. This basically means that somewhere the output breaks fastCgi and PHP output.

Joomla! HTTP 500.0 error

The Joomla administrator login HTTP 500.0 error looks like:

An IIS Failed Request Tracing report looks like:

Here’s how to fix this HTTP 500.0 (The data is invalid. (0x8007000d)) error after a Joomla! update, for example to version 3.2.0:

How to fix Joomla! administrator HTTP 500.0 after updating Joomla! 3.2.0

Luckily the error is quite easy to fix. If only I knew this earlier, it would have saved me some time :).

  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 URI. The full URI 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 in issue permanently

Tested and verified with Joomla 3.2.4

This fix for HTTP 500 error on Joomla administrator login, after updating, is still valid for Joomla 3.2.4 and 3.3.6 updates.

Incorrect file permissions on log/error.php

Turns out, at least on Windows Server IIS, PHP/FastCgiModule throws this 0x8007000d error when file and directory permissions are incorrectly configured. However, at the same time -after setting correct file permissions on logs/error.php and logging in- Joomla complained about two database problems: