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WordPress not working after a change: what to check

Does your website show an error, a blank page or unexpected behavior after a theme, plugin or WordPress change? Start by limiting further changes. A failure following an update provides a useful lead, but timing alone does not establish the cause.

1. Describe what changed

Record the page address, affected function, exact message and time with timezone. Include the last normal operation, changed components and their versions if known. Check whether the problem affects one page, administration or the entire site. Compare with another browser without repeating a real payment or enquiry.

2. Read the available information

If administration works, check Tools > Site Health and update notices. Versions and warnings can help diagnosis; a favorable result does not validate every function. Keep only useful information and share it privately.

If you use WP Toolkit, locate the correct installation with our getting-started guide and record the last operation’s result. Do not start a second update while one is still running. If a maintenance screen persists, request a check before deleting files or restarting installation.

3. Understand Recovery Mode

For certain fatal errors, WordPress may email a recovery link to the administration address. Check that it points to your known website and keep it private. This mode can pause the failing component for your session so you can reach administration. It does not automatically repair the public site.

Record the identified plugin or theme before acting. A missing email does not mean no error occurred. If access remains unavailable, send support the symptoms.

4. Test one explanation at a time

Prefer a protected staging copy, with an appropriate backup and email or payment actions isolated. On that copy, if the evidence points to one plugin, open Plugins > Installed Plugins, deactivate only that plugin and repeat the test. Record the result before another change. Do not delete it for this diagnosis.

A theme, store plugin or security component may support several functions. Have dependencies assessed before intervening on the public site. Avoid blanket deactivation, direct database edits and displaying technical errors publicly. If logs are needed, arrange private collection.

5. Plan the correction and check the website

The solution may be a compatible fix, a targeted setting change or restoration agreed with the site maintainer. A restoration must account for files, the database and orders or enquiries received since the backup. Do not leave a vulnerable version in place to hide the problem.

After correction, test affected pages, sign-in, forms and relevant business functions. Exit Recovery Mode if used, then check the website as a visitor. Follow our update workflow for future work. Unauthorized changes instead call for our compromised WordPress guide.

Get help suited to the problem

Open a request in your Client Area with the facts and tests completed, without passwords or customer data. Nuagerie can check the elements covered by your hosting service. For an incompatibility or custom code, our development services can help define the required work.

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