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WordPress Errors and Troubleshooting

Find clear explanations and troubleshooting guides for common WordPress errors, including critical errors, blank pages, failed updates, database connection problems, login issues, and WordPress dashboard failures.

49 topics · 4 published guides

Common symptoms

  • Critical error or recovery mode message
  • Blank white page on front end or admin
  • Update failed or site broke after updating
  • Pages return 404 while the homepage works
  • Site shows raw code or downloads a file

Start here

  1. 01 Note the exact error message and when it started
  2. 02 Check whether wp-admin still loads
  3. 03 Confirm recent plugin, theme, PHP, or core updates
  4. 04 Open hosting error logs if you have access

Most common problems

6 signals
Intermediate WordPress Errors

There has been a critical error on this website

Learn what causes “There has been a critical error on this website,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

Visitors or admins encounter: There has been a critical error on this website

Intermediate WordPress Errors

WordPress memory exhausted

Learn what causes “WordPress memory exhausted,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

Visitors or admins encounter: WordPress memory exhausted

Intermediate WordPress Errors

WordPress website broke after an update

Learn what causes “WordPress website broke after an update,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

Visitors or admins encounter: WordPress website broke after an update

Intermediate WordPress Errors

WordPress white screen of death

Learn what causes “WordPress white screen of death,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

Visitors or admins encounter: WordPress white screen of death

On the board Intermediate

Corrupt .htaccess file

Learn what causes “Corrupt .htaccess file,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

On the board Intermediate

Error establishing a database connection

Learn what causes “Error establishing a database connection,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

All problems in this category

Showing 49 topics · 4 published guides

  • P1 · intermediate

    There has been a critical error on this website

    Learn what causes “There has been a critical error on this website,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

  • P1 · intermediate

    WordPress memory exhausted

    Learn what causes “WordPress memory exhausted,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

  • P1 · intermediate

    WordPress website broke after an update

    Learn what causes “WordPress website broke after an update,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

  • P1 · intermediate

    WordPress white screen of death

    Learn what causes “WordPress white screen of death,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

  • P2 · intermediate

    Corrupt .htaccess file

    Learn what causes “Corrupt .htaccess file,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P2 · intermediate

    Error establishing a database connection

    Learn what causes “Error establishing a database connection,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P2 · intermediate

    WordPress automatic update failed

    Learn what causes “WordPress automatic update failed,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P2 · intermediate

    WordPress fatal error after changing PHP version

    Learn what causes “WordPress fatal error after changing PHP version,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P2 · intermediate

    WordPress links return 404 errors

    Learn what causes “WordPress links return 404 errors,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P2 · intermediate

    WordPress maximum execution time exceeded

    Learn what causes “WordPress maximum execution time exceeded,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P2 · intermediate

    WordPress permalinks not working

    Learn what causes “WordPress permalinks not working,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P2 · intermediate

    WordPress stuck in maintenance mode

    Learn what causes “WordPress stuck in maintenance mode,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P2 · intermediate

    WordPress update failed

    Learn what causes “WordPress update failed,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P2 · intermediate

    WordPress website downloads a file instead of loading

    Learn what causes “WordPress website downloads a file instead of loading,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P2 · intermediate

    WordPress website suddenly blank

    Learn what causes “WordPress website suddenly blank,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    Briefly unavailable for scheduled maintenance

    Learn what causes “Briefly unavailable for scheduled maintenance,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress cannot create directory

    Learn what causes “WordPress cannot create directory,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress cannot write to directory

    Learn what causes “WordPress cannot write to directory,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress changes not saving

    Learn what causes “WordPress changes not saving,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress configuration file missing

    Learn what causes “WordPress configuration file missing,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress CSS not loading

    Learn what causes “WordPress CSS not loading,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress destination folder already exists

    Learn what causes “WordPress destination folder already exists,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress failed to open stream

    Learn what causes “WordPress failed to open stream,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress filesystem permissions error

    Learn what causes “WordPress filesystem permissions error,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress homepage works but other pages do not

    Learn what causes “WordPress homepage works but other pages do not,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress image upload HTTP error

    Learn what causes “WordPress image upload HTTP error,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress installation failed

    Learn what causes “WordPress installation failed,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress JavaScript not working

    Learn what causes “WordPress JavaScript not working,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress JSON response error

    Learn what causes “WordPress JSON response error,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress loopback request failed

    Learn what causes “WordPress loopback request failed,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress media upload failed

    Learn what causes “WordPress media upload failed,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress missed schedule error

    Learn what causes “WordPress missed schedule error,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress page shows old content

    Learn what causes “WordPress page shows old content,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress posts return 404 errors

    Learn what causes “WordPress posts return 404 errors,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress publishing failed

    Learn what causes “WordPress publishing failed,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress recovery email not received

    Learn what causes “WordPress recovery email not received,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress recovery mode not working

    Learn what causes “WordPress recovery mode not working,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress redirects to old domain

    Learn what causes “WordPress redirects to old domain,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress REST API error

    Learn what causes “WordPress REST API error,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress scheduled event failed

    Learn what causes “WordPress scheduled event failed,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress site health critical issue

    Learn what causes “WordPress site health critical issue,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress site keeps crashing

    Learn what causes “WordPress site keeps crashing,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress update another update is currently in progress

    Learn what causes “WordPress update another update is currently in progress,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress updating failed

    Learn what causes “WordPress updating failed,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress website broken on mobile

    Learn what causes “WordPress website broken on mobile,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress website displays raw code

    Learn what causes “WordPress website displays raw code,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress website keeps refreshing

    Learn what causes “WordPress website keeps refreshing,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress website loads without styling

    Learn what causes “WordPress website loads without styling,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon
  • P3 · advanced

    WordPress website redirects to the installation page

    Learn what causes “WordPress website redirects to the installation page,” how to recognize symptoms, and safe steps to diagnose and repair the problem.

    Coming soon

Related categories

Frequently asked questions

What usually causes WordPress critical errors? +
Most critical errors come from a PHP fatal error in a plugin, theme, or custom code—often after an update or PHP version change.
Can I fix WordPress errors without wp-admin access? +
Yes, many fixes use hosting file manager, FTP/SFTP, or database access to disable plugins, restore files, or adjust configuration.

Repair dispatch

Still Need Help Fixing Your Website?

If you are not comfortable editing website files, changing server settings, repairing a database, or troubleshooting a live website, professional help may prevent additional damage or downtime. We will review the problem before accepting the repair.

  • You will receive a clear explanation of the likely cause.
  • We will tell you if the issue falls outside our repair scope.
  • No additional work will be performed without approval.
  • A backup should be created whenever access and website condition allow it.
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