Why is Windows Defender blocking Avast?

Windows Defender is known for not working with other antivirus software. It will conflict with antivirus software like Avast, which has a firewall feature on it. So, the common cause of issues between Windows Defender and Avast antivirus is that the two programs are conflicting. Furthermore, a couple of factors can cause Windows Defender to block the Avast antivirus software on your PC. Some are:

Avast antivirus compatibility issues – When the version of Avast antivirus you have on your computer is not compatible with your computer, it may not work, seeming like it was blocked. So, you can have issues with Avast not running on your PC if you don’t install a usable version. Corrupt Avast installation file – Corrupt Avast installation files can be detected by Windows Defender, stopping the program it is responsible for from running. Hence, the built-in Defender blocks Avast and can make it unresponsive. Outdated Avast software – Running an outdated Avast on your PC can cause many issues. So, it can cause concerns with how it interacts with other apps on your PC, especially another third-party antivirus.

Regardless of the reason, Avast, you can fix the problem by trying some fixes on your PC.

What can I do if Windows Defender is blocking Avast?

Go through the following preliminary checks:

Turn off background apps running on your computer. Disable third-party antivirus software on your PC. Restart Windows in Safe Mode and check if the problem persists.

If you still can’t fix it, try the solutions below.

1. Reset Avast

Restarting the Avast client on your PC will fix any problems preventing it from running as it should. SPONSORED

2. Disable Windows Defender’s Real-time protection

Disabling the Windows Defender antivirus on your PC can fix any interference preventing Windows Activation from connecting.

3. Disable Windows Firewall

Disabling the Windows Defender Firewall can resolve any conflict between the service and Avast.

4. Stop Windows Insider Program

5. Uninstall the Avast antivirus with Utility

This tool will uninstall the Avast app and clear every file that it can from your PC, allowing you to install a clean one. Conclusively, you can check what to do if Avast is not updating the virus definitions for some reason. Also, you can check what to do when Avast is blocking Remote Desktop on your PC. For further questions and suggestions, kindly use the comments section below.

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