OneClickFirewall is out

I just released OneClickFirewall For those of you who don't know, it's a little app I coded to block an app from accessing the Internet (both inbound and outbound connections) because the Windows Firewall UI involves too many steps. This version does not come with new functionality or fixes. I just tried to reduce the amount of false positive reports by antivirus software. Here is why it happens.
OneClickFirewall calls the built-in netsh.exe command to create a firewall rule for blocked apps. Antivirus apps consider this behavior as malware-like because they probably think that the app modifies TCP/IP or network settings to show ads and spam the user.

OneClickFirewall is a safe app, not malware. I tried my best to reduce the amount of false positives but Avast! is still paranoid about my app. This is the best I can do:

If you care about false positives, you can download the updated version:


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Author: Sergey Tkachenko

Sergey Tkachenko is a software developer who started Winaero back in 2011. On this blog, Sergey is writing about everything connected to Microsoft, Windows and popular software. Follow him on Telegram, Twitter, and YouTube.

9 thoughts on “OneClickFirewall is out”

  1. Thought I’d try it. As always, I installed it on a win 10 64 VM first. The program would not run. No event log errors, no user interface, nothing. This is a plain vanilla win 10 install that is up to date. I did not take time to troubleshoot with process monitor. Ideas?

    1. Which build?
      Tried in 14362 just now. Works as expected.
      How do you start it?
      It adds two items to the Explorer context menu.
      Have you tried to use them?

  2. The downloaded zip package is being immediately rejected as a severe threat by Windows 10 Defender.


    Temporary disable and test with VirusTotal is showing 6 other AV that now reject it. Need to work harder at its cleanup of your claimed false positives, especially if the default AV of Windows 10 hates it.

  3. What a shame that, after all these years and so many useful programs, and all those articles that have taught many of us so much, and the patient, personalized responses to sooo many questions, suggestions, complains and whatnot from readers, Winaero feels it’s necessary to explain that a program released by him is safe and that any positive by any AV is a false positive. I feel kind of personally hurt. I swear I’d blindly install anything coming from this site even if all the AV machines in Virustotal said it was plagued with viruses

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