It may be that the main site front end works fine, but the admin area is error 500 or just blank depending on browser.

Turn on debug mode to try and find cause of problem. In “/wp-config.php” find (or add) “define(‘WP_DEBUG’, false);” and set it to true.

This may reveale a memory size limit issue.

If so, to fix paste (or edit if present) this line into wp-config.php file

define( 'WP_MEMORY_LIMIT', '256M' );

Other things to try

General recommendation of temporarily renaming /wp-content/pluggin directory and theme directory (after ensuring a default theme was also present).

Download fresh wordpress and copy files over top of existing site outside of wp-content.

We benefit hugely from resources on the web so we decided we should try and give back some of our knowledge and resources to the community by opening up many of our company’s internal notes and libraries through mini sites like this. We hope you find the site helpful.
Please feel free to comment if you can add help to this page or point out issues and solutions you have found, but please note that we do not provide support on this site. If you need help with a problem please use one of the many online forums.


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