Conflict with VPN or antivirus

Click the AdGuard icon in the menu bar, then click the gear icon.
Select Preferences...
Go to the Network tab and click Applications….
Find your antivirus app in the list and uncheck it.
If you are on macOS Big Sur and use an antivirus or a VPN alongside AdGuard, you can try switching to the Automatic Proxy mode or contact support for help.
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