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Installation problems solving


This article is about AdGuard for Mac, a multifunctional ad blocker that protects your device at the system level. To see how it works, download the AdGuard app

"Installation failed" error in macOS Catalina

During the installation you can face an error like this:

Installation error screen

Follow this instruction to solve the problem:

  1. Restart your Mac
  2. As your Mac restarts, press and hold down the Command(⌘) + R keys immediately upon hearing the startup chime. Hold the keys until the Apple logo appears to get the computer into Recovery mode.
  3. From the top bar select UtilitiesTerminal, and execute this command: csrutil disable
  4. Restart the Mac and log into Administrator's profile
  5. Open the Finder window and select from the top bar GoGo to Folder and type ~/private/
  6. Create a folder named tmp and type in your password
  7. Launch AdGuard installation

As the installation is completed, restart your Mac in Recovery mode using the instruction above and execute csrutil enable command in Terminal to enable system protection.