Protection doesn't start
AdGuard window is opened, but protection switch won't work, so you can't enable the application.
Follow steps below:
Close and restart the app. If it doesn't work, please uninstall and then reinstall AdGuard by following the instruction from this article.
If you have macOS Big Sur, follow the instruction from this Knowledge Base article.
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The problem you encountered doesn't seem to have a typical solution. Please contact the support team by sending a message to support@adguard.com, our support engineers will reply to you as soon as possible.