Pop-up ads in the lower right-hand corner of Windows desktop | AdBlock Help Center

The lower right-hand corner of your Windows desktop is the Windows notification area. If you see unexpected pop-ups there, you may have allowed website notifications in your browser.

While these may look like ads (and since AdBlock blocks pop-ups, you may expect AdBlock to block them), they're actually site notifications. This means the only way to get rid of them is to change your browser settings. Here's how to disable site notifications in Chrome and Edge so that you no longer see those annoying pop-ups:

Chrome

Click the Chrome menu (the three vertical dots in the upper right corner of the Chrome window) and select Settings.
On the left-side navigation panel, click on Privacy and security.
Then on the main page, click Site Settings.
Under "Permissions" click Notifications.
Turn off notifications from any site you no longer want to display ads in the lower right-hand corner.

Edge

Click the Edge menu (the three vertical dots in the upper right corner of the window) and select Settings
Select Cookies and Site Permissions.
Under "All Permissions" click Notifications.
Turn off notifications from any site you no longer want to display ads in the lower right-hand corner.

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Tip: If changing your settings doesn’t stop the pop-ups, they might be adware. Here's how to stop them: How to remove malware or adware from your device.