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Protect: run security check on extensions. Applies to all desktops.

Extensions (or add-ons) are mini-programs embedded in the browser that add features to Yandex.Browser. Some extensions are useful, while others may be malicious. For this reason, Yandex.Browser disables extensions from unverified sources and regularly checks installed extensions for fakes.

Disabling extensions from untrusted sources

Restriction. Extensions are only checked in Windows.

Some developers create extensions that distribute malware or show users pop-up ads, flashing banners, and other intrusive advertising. This is whyYandex.Browser only allows you to install extensions from the Chrome Web Store and Opera Add-ons where everything undergoes a security check.

If you install an extension from another website, the browser will disable it immediately after installation and inform you of this. If this is a trusted source, you can enable the extension for one session by clicking the Enable link in the bottom left corner of the dialog window:

Note. If you don't want to enable the extension every time you launchYandex.Browser the browser, contact the developer and ask them to publish it in the Chrome Web Store or Opera Add-ons. If you have created your own extension, publish it in the online store, and then install it from there.

Enabling extensions in settings

You can re-enable an extension you previously blocked in the browser settings:

  1. Click  Extensions.
  2. Find the extension in the list and set it to On.

If the browser disables an extension that you developed

Try to solve the problem in one of the following ways:

Universal method

If you're developing an extension, use the Yandex.Browser beta-version, which does not verify extensions.

For extensions that aren't posted in the Chrome Web Store or Opera Add-ons

If your extension is not included in these stores, enable it every time you launch your browser using either the dialog window or browser settings.

For extensions from the Chrome Web Store or Opera Add-ons

If your extension is included in the Opera or Chrome catalog, enter the correct update URL in the update_url field of the manifest.json file. Here are the update URLs for each of the catalogs:

Catalog nameLink for updating extensions
Chrome catalog https://clients2.google.com/service/update2/crx
Opera catalog https://extension-updates.opera.com/api/omaha/update/

Verifying authenticity of an extension

Sometimes attackers try to replace the files in installed extensions with advertising files or malicious code. To protect you from this type of deception, the browser periodically verifies the authenticity of extensions.

If an extension does not pass verification, Yandex.Browser the browser disables it and displays a warning:

If you have no use for the suspicious extension, click Remove all.

If you need the extension, click Reinstall all to restore the original version of it.

If you close the window by clicking outside of it, the extension remains disabled.

Note. You may see a similar message if the extension was deleted from the online store.

If an extension you are developing fails verification

Try to solve the problem in one of the following ways:

Use the browser's beta-version

The Yandex.Browser beta version does not check extensions.

Check the extension's version

Make sure that the user's version of the extension matches the version that you get when you click on the link in the update_url field in the manifest.json file.

Disabling verification of extensions

Attention! To disable checking the security of extensions, you need to completely disable the protection against malicious software and websites in your browser. We do not recommend this.

To disable malware protection

  1. Click  Settings.
  2. In the lower half of the Settings page, click Show advanced settings.
  3. In the Privacy section, disable the Enable protection from malicious websites and software option.
  4. Restart the browser to apply the changes.