A Computing Resource

Windows Firewall service is missing in Windows 7


You receive a message from the Action Center that the Windows Firewall is turned off. When you attempt to turn it on, you receive a message like this:

Windows Firewall can’t change some of your settings
Error code 0×80070424

Go into Services by typing services into the search bar in the start meny. You will find that the Windows Firewall service is missing. Also if you check instid the registry editor the following registry key will be missing as well:



This problem is usually caused by a virus make sure you have checked for viruses and removed all viruses as well before fixing this issue.

Fix 1

Copy the missing registry key from a working Windows 7 computer.You can also download this reg file and double-click it to import the missing key into your PC’s registry.

Now reboot your computer and the Windows Firewall service should be started.

If the service still won’t start, you may have permission problems or you may have other missing services such as the Base Filtering Engine

Fix 2

Download farbar and run it. Farbar is a network troubleshooter to fix service related issues in Windows.

Then reboot and all should be well again


Related Posts:

Securing Your Domain Computers

How To Lock Down Windows XP

Jake Gardner (127 Posts)

Jake works full time as a Systems Engineer in Warrnambool. He regularly works with SMB clients planning, managing, deploying and maintaining Windows based systems. He has an Advanced Diploma in Computer Systems Engineering and is always reading and studying new things.


  1. Bill
    17/03/2013 at 12:09 AM #

    I’ve been working on this problem nearly all day. I came across your site, “did” fix #1 and everything started working!!!


  2. Doug
    05/05/2013 at 6:47 AM #

    Thank you so much for this. I’ve been trying to fix this problem for several months when I finally found this site and copied the reg file and used it and restarted my PC and boom fixed. Now I can network with my other PCs again, thanks again :)


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