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Critical Fix to Resolve the “uBlock Origin Lite is Disabled” Alert in Chrome

Problem Description

Many Chrome users are suddenly seeing a “uBlock Origin Lite is disabled” alert, accompanied by a prompt to accept new permissions. This can be alarming, especially since uBlock Origin Lite (uBOL) has built a reputation for privacy and minimal permissions. The root cause is a recent update: uBOL now requires “host_permissions” instead of the less intrusive “optional_host_permissions.” This means the extension needs explicit access to read and modify data on every website you visit, which is essential for effective ad and content blocking.

Critical Fix to Resolve the “uBlock Origin Lite is Disabled” Alert in Chrome

Key Points:

  • The update is necessary for uBOL to continue functioning as intended.
  • Chrome disables extensions that request new permissions until you accept them.
  • The new permissions allow uBOL to block ads and trackers across all sites, but understandably raise privacy concerns.

Why the Change Happened

Previously, uBOL only asked for permissions on a site-by-site basis or when you increased the filtering level. Now, it requests broad access by default to:

  • Ensure reliable ad and tracker blocking on all sites.
  • Align with browser trends, as Chrome and other browsers are moving towards users controlling host permissions directly.
  • Address deployment challenges for administrators who need to install uBOL with full functionality for all users.

Expert Insight:

“All reputable content blockers (Adguard, ABP, AB, Ghostery, Privacy Badger, NoScript, etc) require broad host permission by default… uBOL was the only exception before the change.”

Is uBlock Origin Lite Still Safe?

Yes—uBlock Origin Lite is developed by a highly trusted team, and the source code is open for public inspection. The new permissions are standard for ad blockers, as they need to see and modify page content to function. Millions of users and security experts have reviewed and trusted uBlock Origin and its Lite version.

However:

  • Any extension with these permissions could, in theory, misuse them, so always be cautious about which extensions you trust.
  • With uBOL’s reputation and transparency, the risk is minimal compared to lesser-known tools.

Step-by-Step to Regain Control

If you’re uncomfortable granting broad permissions, you can limit uBOL’s access after re-enabling it:

Click “Enable” or “Accept” when prompted by Chrome to restore uBOL’s functionality.

Restrict Site Access

  1. Go to Chrome’s Extensions page (chrome://extensions/).
  2. Find uBlock Origin Lite and click “Details.”
  3. Under “Site access,” switch from “On all sites” to “On click” or “On specific sites.”

This way, uBOL only activates when you choose, giving you more privacy control.

Adjust uBOL Filtering Mode (Optional)

In “On click” mode, uBOL defaults to “Basic” filtering.

Adjust uBOL Filtering Mode (Optional)

For higher filtering (Optimal/Complete), you’ll need to grant permissions for each site as needed.

This update may feel intrusive, but it’s a necessary step for uBlock Origin Lite to keep blocking ads and trackers effectively. The extension remains trustworthy, and you have the power to customize its permissions to suit your privacy preferences. Take a moment to adjust your settings for the balance of security and control that works best for you.