If you have not installed the Avast SecureLine VPN browser extension, refer to the following article: Using the Avast SecureLine VPN browser extension.
You can use the browser extension only if Avast SecureLine VPN is installed and activated on your device, either as a standalone application or as part of Avast One.
You can use the browser extension only if Avast SecureLine VPN is installed and activated on your device, either as a standalone application or as part of Avast One.
The Ad Blocker feature is a part of the Avast SecureLine VPN browser extension, which is supported on Google Chrome, Microsoft Edge, and Mozilla Firefox. It enhances your browsing experience by blocking unwanted ads in your desktop browser. Blocking ads can help make browsing the internet safer, as some ads may carry malware or redirect you to phishing websites.
Follow the instructions below to enable Ad Blocker.
Enable Ad Blocker
To enable Ad Blocker in your Avast SecureLine VPN browser extension, follow the steps below:
- Open your browser with the Avast SecureLine VPN browser extension.
- In the top-right corner of the screen, click the Avast SecureLine VPN browser extension icon.
- On the Ad Blocker panel, switch the slider from gray (OFF) to green (ON) to turn on Ad Blocker.

Ad Blocker is now enabled.
- Avast One
- Avast SecureLine VPN
- Windows
Updated on: 16/06/2026
