Extension Fixes

Chrome Disabled My Extension: Causes and Safe Fixes

Quick Answer

Chrome disables extensions for several reasons: deprecated APIs, Web Store removal, security concerns, or administrator policies. The fix depends on the cause. Check the specific error message, verify the extension status in the Chrome Web Store, and look for maintained replacements.

Why This Happens

  • The extension uses Manifest V2 which Chrome has deprecated.
  • The extension was removed from the Chrome Web Store for policy violations.
  • Chrome flagged the extension for security or privacy concerns.
  • An administrator on managed devices has disabled the extension.
  • The extension is incompatible with your current Chrome version.
  • The extension was proactively disabled due to detected threats.

What You Can Do

Note the exact error message and extension name.

Check the Chrome Web Store to see if the extension is still listed.

Search for official MV3 versions or developer announcements.

Look for alternatives on Extension Fixes.

If on a managed device, contact your IT administrator about policies.

Review Chrome settings if you previously disabled extension safety features.

Related Extensions

Great Suspender

Tab Management

Removed

The original Great Suspender was removed from the Chrome Web Store after a malicious version incident in 2021, and Chrome proactively disabled it for installed users. Users should avoid reinstalling old CRX copies from mirror sites because modified versions can contain unwanted code. For most Chrome users, Chrome Memory Saver is the simplest built-in replacement for tab suspension. Auto Tab Discard is a practical extension alternative for automatic tab unloading, while OneTab is better for manual tab consolidation and Workona is more focused on workspace management. The best option depends on whether you want automatic suspension, simple memory savings, or session organization.

View alternatives

Proxy SwitchyOmega

Proxy Manager

Affected by MV2

Proxy SwitchyOmega stopped working in Chrome because Chrome 138 fully disabled Manifest V2 extensions. The closest migration path is ZeroOmega, a community fork designed for Manifest V3. FoxyProxy is another established option with advanced proxy management features. Both are available on the Chrome Web Store.

View alternatives

uBlock Origin

Content Blocker

Affected by MV2

Classic uBlock Origin stopped working in Chrome 138+ because Chrome disabled Manifest V2 extensions. For many Chrome users, uBlock Origin Lite is the closest MV3-compatible option from the same developer, but it does not replicate every feature of the original extension. Firefox remains a practical option for users who need full classic uBlock Origin functionality, since Firefox still supports MV2 extensions. Avoid installing random CRX copies of classic uBlock Origin from unofficial sources, because modified extensions can create privacy and security risks. The MV3-compatible ad blocker space is actively developed, and other options like AdGuard AdBlocker and Adblock Plus are available in the Chrome Web Store.

View alternatives

What Not to Do

  • Do not disable Chrome security features to install problematic extensions.
  • Do not download extensions from third-party sites claiming to fix issues.
  • Do not ignore security warnings about extensions.
  • Do not reinstall removed extensions from unofficial sources.

Frequently Asked Questions

Sources

Last updated: May 18, 2026

Independent guide. Not affiliated with Google, Chrome, Chrome Web Store, or listed extension developers.