by Linkon Miyan 5 (2 reviews)

Fatal Plugin Auto Deactivator – Never let a plugin break your site

Name: Fatal Plugin Auto Deactivator – Never let a plugin break your site
Rating: 5.0 (2 reviews)
Author: Linkon Miyan

Automatically deactivates plugins that cause fatal errors to prevent site crashes and keep your WordPress site running smoothly.

Fatal Plugin Auto Deactivator ranks #15,956 among WordPress.org plugins with 100+ active installations, a 5/5 rating from 2 reviews, and was last updated Aug 18, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 7.0.4 (Current: 7.1)

v1.5.1 Current Version v1.5.1

Updated 4 weeks ago Last Update on 18 Aug, 2026

Refreshed 11 hours ago Last Refreshed on

Top 25% by installs Actively maintained

View on WordPress.org

Rank

#15,956

+66 this week

Active Installs

100+

-6.5%

KW Avg Position

15.4

0.4 better

Downloads

2.1K

+6 today

Support Resolved

— No change

Rating

100%

Review 5 out of 5

5 (2 reviews)

Next Milestone 200

Total Progress 30%

100+ 200+

2,916

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Rank Changes

Current #15,956

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

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Peak

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Reviews & Ratings

5.0

2 reviews

Overall 100%

2 (100%)

0 (0%)

Security History

Source: WPVulnerability

No known vulnerabilities on record for Fatal Plugin Auto Deactivator. Checked 4 weeks ago.

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Plugin Details

Version: 1.5.1
Last Updated: Aug 18, 2026
Requires WP: 5.3+
Tested Up To: 7.0.4
PHP Version: 7.0 or higher
Author: Linkon Miyan

Support & Rating

Rating: ★ ★ ★ ★ ★ 5
Reviews: 2
Support Threads: 0
Resolved: 0%

Keywords

crash prevention error handling fatal error plugin deactivation site protection

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TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners, agencies, and freelancers who want protection against plugins that cause fatal errors. It detects fatal PHP errors, identifies and automatically deactivates the offending plugin, and shows a custom error page instead of a white screen of death.

Automatic fatal error detection
Smart plugin identification
Instant plugin deactivation
Protected plugins allowlist
Log-only mode
Email and webhook alerts
Protection watchdog
Custom error page

Frequently Asked Questions

Common questions about Fatal Plugin Auto Deactivator – Never let a plugin break your site

No, Fatal Plugin Auto Deactivator works automatically right after activation with no configuration required.

No, the plugin only activates its core functionality during the PHP shutdown phase and only takes action when a fatal error is detected.

The plugin catches fatal PHP errors, parse errors, and other critical errors that would normally crash your site.

Yes. An admin notice is displayed in your WordPress dashboard showing which plugin was deactivated and the specific error that caused it. Since 1.5.0 you can also enable instant notifications under Tools → Fatal Plugin Log → Settings: an email to one or more addresses and/or a webhook (generic JSON, or a Slack-compatible message you can point at a Slack/Discord/Mattermost incoming webhook). Alerts tell you what action was taken — a plugin that was automatically deactivated reads differently from a protected plugin that is still crashing and needs your attention. Identical repeated errors are rate-limited (configurable cooldown), and both channels have a "send test" button.

Emails and generic JSON webhooks carry the same details as the log entry: plugin name, outcome status, error type/message, file and line, the request URL, and PHP/WordPress versions. The Slack-compatible format is a compact summary — plugin, action taken, error, and file:line. That includes server file paths, so point alerts only at inboxes and endpoints you control. Webhook URLs must use https:// (plain http:// is allowed only for localhost). If a fatal happens so early that WordPress cannot send mail or HTTP requests yet, the alert is queued and delivered on the next normal page load.

Yes, you can reactivate the plugin through the normal WordPress plugins page. However, be aware that if the issue hasn't been fixed, the plugin will be deactivated again if it causes another fatal error.

Yes. Go to Tools → Fatal Plugin Log → Settings and add the plugin to the "Protected plugins" list. Protected plugins are never deactivated automatically — for example, you may prefer to keep a checkout or payments plugin running and fix it manually rather than have it switched off. The fatal error is still logged and an honest message is shown on the error page.

Yes. Enable "Log-only mode" under Tools → Fatal Plugin Log → Settings. The plugin will keep detecting and logging fatal errors and showing the custom error page, but it will never deactivate a plugin.

The Fatal Plugin Log page shows a status banner ("Protection active" or a warning) with a "Protection last verified" heartbeat, and if the protection drop-in is missing, was replaced by another plugin, or could not be installed (for example because wp-content is not writable), you'll see an admin notice and a Site Health test telling you, with a one-click "Reinstall protection" button. Since 1.5.0 an hourly background watchdog also re-verifies protection even when nobody logs in: it reinstalls a missing drop-in automatically, detects when the plugin folder was moved or when the WP_DISABLE_FATAL_ERROR_HANDLER constant disables fatal error handling entirely, and notifies you (via your configured alert channels, or the admin email) when protection is lost and when it is restored. Note that WordPress cron runs on site traffic — on a site with no visitors at all, configure a real server cron for wp-cron.php as usual.

Yes. The Fatal Plugin Log page lets you filter incidents by source (plugin, theme, must-use plugin, drop-in, core) and by status, search across the plugin name, error message, and file path, delete individual entries, and export the full log to CSV or JSON. Each row also has a "Copy" button that puts a ready-to-paste bug report (error, file, request URL, PHP/WordPress version) on your clipboard. Identical repeated fatals are grouped into a single row with an occurrence count.

Fatal Plugin Auto Deactivator – Never let a plugin break your site

Next Milestone 200

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