Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at [email protected] to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.
<cite>Apache/2.4.7 Server at localhost Port 80</cite>

This error can be triggered by the following:

  • server misconfiguration (httpd.conf)
  • .htaccess issues
  • mod_security or similar

Test PHP is Working

The first thing you should do is ensure PHP is working properly on your server, and Kunena is not the direct cause of the issue. To test this simply create a temporary file (remove it afterwards for security!) in the root of your Kunena folder called info.php. This file should have the following PHP code:

<?php phpinfo();

Then point your browser at this file: You should get a report page listing all the information related to the PHP configuration including version and extensions loaded.

Register Globals Issue

Some people who have recently upgraded to PHP 5.4 from version 5.3 may still have some out of date settings in their php.ini file. One item that can cause a 500 Internal Server Error is the register_globals setting. Simply remove or comment out the line:

register_global = On

Then restart your Apache server.

ThreadStackSize on Windows

If your server is running on Windows, you could be getting a 500 Internal Server Error due to the fact that the ThreadStackSize is much too small. Simply append this code to the bottom of your httpd.conf file:

<IfModule mpm_winnt_module>
  ThreadStackSize 8388608

Then restart your Apache server.

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