On a specific website

If AdGuard protection is enabled and you still see ads, try to reproduce the following steps one by one:
Click the AdGuard icon in the menu bar, then click the gear icon. Select Check for Filter Updates.
Click the AdGuard icon in the menu bar, then click the gear icon. Click Preferences… and go to the Filters tab. Turn on AdGuard Base filter and filters for your language. To add a filter, click +.
Go to the Extensions tab and turn on AdGuard Extra.
Switch to General and click Edit Allowlist… . If the problematic website is on the list, remove it.
Try to block ads using AdGuard Browser Assistant. Find the green shield icon next to your browser’s address bar, click it to open the pop-up window, and choose Block ads on this website to manually block the ad. Then report the missed ad by clicking Report an issue while on the problematic site.
Downloading AdGuard To install AdGuard, click the file indicated by the arrow Select "Open" and click "OK", then wait for the file to be downloaded. In the opened window, drag the AdGuard icon to the "Applications" folder. Thank you for choosing AdGuard! Select "Open" and click "OK", then wait for the file to be downloaded. In the opened window, click "Install". Thank you for choosing AdGuard!
Install AdGuard on your mobile device