Back to blog

Troubleshooting WordPress: Fixing Common WP Admin Errors

Yuhda Ibrahim

Development Consultant

August 31, 2025

5 min read

Troubleshooting WordPress can be tricky for a normal business user.

If you’ve ever logged into your WordPress site only to be met with a blank screen, a strange error message, or a completely inaccessible dashboard, you’re not alone. WordPress is a powerful platform, but sometimes things go wrong—especially in the admin area (a.k.a. WP Admin), where most of your content creation and settings management happens.

Troubleshooting WordPress

In this article, we’ll walk through practical ways to troubleshoot WordPress wp-admin errors using everyday language—no complex jargon or intimidating tech-speak here. Whether you’re locked out of your dashboard or getting the infamous “There has been a critical error on this website” message, we’ve got you covered.

You’ll learn the most common causes of WP Admin errors, how to fix them step by step, and when it’s time to call in a bit of help. By the end, you’ll not only feel more confident navigating WordPress issues—you might even prevent them in the future. Let’s dig in.


Why WP Admin Errors Happen in the First Place

Before diving into fixes, let’s understand the root of the problem. Your wp-admin dashboard can break or become inaccessible for several reasons, including:

  • Plugin or theme conflicts
  • Corrupted .htaccess file
  • PHP errors or memory limits
  • Faulty updates
  • Server misconfigurations

Each of these issues might seem technical, but most can be solved with a bit of know-how and patience. Let’s start with the simplest solutions first.


Deactivating Faulty Plugins (Without Logging In)

One of the biggest troublemakers in WordPress? Plugins. If you recently installed or updated one, and your dashboard suddenly vanished, it’s likely the culprit.

How to fix it via FTP or File Manager:

  1. Access your WordPress files using cPanel > File Manager, or an FTP client like FileZilla.
  2. Navigate to wp-content/plugins/.
  3. Rename the entire plugins folder to something like plugins-deactivated.
  4. Try accessing your wp-admin again.

If it loads, you’ve confirmed a plugin issue. Now, rename the folder back to plugins and rename each plugin folder individually (one at a time) to pinpoint which one caused the problem.


Switching to a Default Theme

Sometimes the theme is to blame, especially if it’s poorly coded or not compatible with your WordPress version.

Quick fix:

  1. Access your WordPress site via FTP or File Manager.
  2. Go to wp-content/themes/.
  3. Rename your current theme’s folder (e.g., from my-theme to my-theme-old).
  4. WordPress will then default to a theme like Twenty Twenty-Four—if it’s installed.

If you don’t have a default theme installed, you may need to upload one manually from the WordPress theme repository.


Fixing a Corrupted .htaccess File

The .htaccess file controls how your server handles URLs and other settings. A single bad line can crash your wp-admin.

Here’s how to reset it:

  1. Connect to your site via FTP or File Manager.
  2. Find the .htaccess file in the root directory of your site.
  3. Rename it to .htaccess-old.
  4. Try loading your wp-admin again.

If it works, go to Settings > Permalinks in the dashboard and click Save Changes to regenerate a clean .htaccess file.


Increasing PHP Memory Limit

If you’re getting a white screen or messages like “Allowed memory size exhausted,” your site may simply need more PHP memory.

To increase the limit:

  1. Open wp-config.php in your root directory.
  2. Add this line just before the line that says /* That's all, stop editing! */
  3. Save and re-upload the file.
define('WP_MEMORY_LIMIT', '256M');

This tweak can give WordPress more room to operate and may bring your admin area back to life.


Checking for PHP Errors

Sometimes the site is breaking because of a deeper issue in the code—usually from a theme, plugin, or custom function.

To check for this:

  • Enable debugging by editing wp-config.php:
define('WP_DEBUG', true);
define('WP_DEBUG_LOG', true);
define('WP_DEBUG_DISPLAY', false);

This will create a debug.log file in the wp-content folder that you can read to find out what’s going wrong.


Restoring from a Backup

If you’ve tried all the steps and your site is still broken, a recent backup might be your best bet.

Most WordPress users have some kind of backup plugin or hosting backup system in place (or at least should!). Depending on what you use (like UpdraftPlus, Jetpack, or your hosting provider’s backup service), restoring to the last working version of your site can save hours of troubleshooting.


Using WP Admin Error Tools

For recurring issues or advanced problems, a dedicated Troubleshooting WordPress WP Admin Error solution or support service can help. These tools and services typically include:

  • One-click diagnostics
  • Safe plugin/theme testing
  • Automated repair suggestions
  • Compatibility checks

Just make sure any tool you use is from a trusted provider and updated regularly. Sometimes, a tool can do in minutes what would take hours to debug manually.


When to Call for Help

Sometimes, it’s okay to step back and get expert help—especially when:

  • Your site is mission-critical (e.g., for your business)
  • The admin is completely inaccessible for hours
  • You’re not comfortable editing files or using FTP
  • You’ve tried fixes and made things worse (we’ve all been there)

There are many WordPress professionals and support services who can resolve these issues quickly. It’s better to ask for help early than risk data loss or further problems.


Wrapping Up: Don’t Let WP Admin Errors Slow You Down

WordPress is an amazing platform, but like any powerful tool, it comes with its quirks. The good news is, most wp-admin errors are totally fixable with the right steps—and now you have a go-to guide to do just that.

By understanding the common causes and learning how to handle them, you’ll feel more in control of your site. And next time something breaks? You’ll be ready.

Want to learn more about keeping your WordPress site running smoothly? Explore our other tutorials and tips to build confidence, one fix at a time.

Need wordpress develoer help fix your website? Let’s talk here or you can contact directly here

Contact Us

Need WordPress Support For your website?

We fix Every Issue of Your WordPress Website.

Our office:

Pandeglang, Indonesia

Upwork

Yuhda Ibrahim

Link

Email us:

support@wpsupportwebdevelopment.com

Link