Block or Unblock Programs in Windows Firewall

In Windows 8, 7 and XP, you can set the Windows Firewall to block or unblock certain applications. Here’s how.

Windows 10, 8, & 7

  1. Open the “Control Panel“.
  2. Select “System and Security“.
    Win7 System and Security icon
  3. In the Windows Firewall section, select “Allow a program through Windows Firewall“.
    Win7 Allow a program through Windows Firewall link
  4. Unchecking the box to the left of the application name disallows it from accessing network resources, while checking it allows access.
    Win7 window to allow or disallow programs
  5. If the program you wish to block or unblock is not listed, you can click the “Allow another program…” button to add it. Choose the application in the list and select “Add“. If the program is not in this list, use the “Browse…” button to select the program file manually.
    Win7 Add program to the firewall list


Windows XP

  1. Click Start and open the “Control Panel“.
  2. Select “Security Center“.
  3. In the “Manage security settings for” area, select “Windows Firewall“.
  4. Select the “Exceptions” tab.
  5. Check an application to allow access to the network, uncheck it to block access. If the program isn’t listed, select the “Add Program…” button to add it to the list.
    WinXP Firewall exceptions list


  1. Bert says

    Very useful page, stopped superfetch but I have still got problems with High CPU usage 100% and High memory usage that I didn’t experience before downloading windows 10. I’ve tried other suggestions but nothing seems to work. I may have to go back to windows 7. Cheers.

  2. Dinesh kumar Behera says

    After this it also shows that an adminstarator has block this app so what to do now

  3. Gagandeep Bali says

    I just installed Windows 10 Pro, Technical Preview, and whenever, I use to click on Advance settings for Windows Firewall, I received an error saying “Microsoft Management Console” has stopped working.

    Since I wanted to set a rule for inbound and outbound port, I came to this link and VOILA :-) That red rectangle, saying click on Allow an app through a Firewall, did the trick for me.

    Many CHEERS and KEEP SMILING :-)

  4. Sue says


    Found this really helpful.
    Been so long since I have gone into Firewall

    For those really new to doing this
    and not sure of some meanings of regular
    english words:

    the word ‘Check’ (see instructions
    for XP above). Point number ‘5. Check an application…’
    Check means a tick (left-click inside the box)
    Uncheck means a blank box.

    Thank you to the creator of this page.

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