
A WordPress 500 internal server error tells you the server failed, not why. Here’s what actually causes it, the exact order to check things in, and how to keep it from coming back.

WordPress stuck in maintenance mode after a failed update? Delete one hidden file, purge your cache, and check what the interrupted update left behind, plus what to do when the message won’t go away.

“Error establishing a database connection” means WordPress can’t reach its database, and your content is almost always still safe. Here are the four real causes and how to fix each one, starting with the five-minute wp-config.php check.

Need to increase the WordPress max upload size? The limit lives on your server, not in WordPress. Here are the fixes that work on modern hosting, the ones that don’t, and what to check when you still get a 413 error.