Fix: Windows Firewall service does not start in Windows 7 | 8

Windows Firewall acts as the first layer of defense against malware, so it is always advisable to keep it turned ‘ON’ – unless you are using a third-party firewall software. If for some unknown reason if you find your Windows Firewall does not start automatically at startup, then here are a few trouble-shooting steps you may want to try out.

windows firewall Fix: Windows Firewall service does not start in Windows 7 | 8

Windows Firewall service does not start

1] First scan your machine for malware using a good antivirus software. If you have installed a 3rd party firewall or a Security Suite, then that could also be the cause for the problem. Many a times, third-party security software can disable the Windows Firewall and even prevent it from starting up.

2] Run System File Checker or sfc /scannow.

3] Next, type services.msc in Windows Start Search and hit Enter to open up Services. Here ensure that the Windows Firewall Service is started and set on Automatic. Also ensure that the Remote Procedure Call Service & the Base Filtering Engine Service is started and set on Automatic.

wvfw1 Fix: Windows Firewall service does not start in Windows 7 | 8

4] Now you also have to ensure that the Windows Firewall Authorization Driver (mdsdrv.sys) is running properly.

To do so, type devmgmt.msc in search bar and hit enter to open Device Manager. In the Views tab check on Show Hidden Devices and also show Devices By Connection.

wvfw2 Fix: Windows Firewall service does not start in Windows 7 | 8

Locate Windows Firewall Authorization Driver in the list and double click on it to open its Properties box. Click on Driver tab and ensure that the process is started, and the startup type is Demand. Click OK.

Reboot. Hopefully your Windows Firewall should be working OK now.

5] If it does not help then run Group Policy Result Tool to check if there is a Firewall policy blocking it. Open an elevated command prompt window, type gpresult -z and hit Enter. Check under Resultant Set Of Policies For Computer, esp under Security Options.

wvfw3 Fix: Windows Firewall service does not start in Windows 7 | 8

6] Run the Windows Firewall Troubleshooter and see if it helps you. This ATS from Microsoft will help you repair and fix Windows Firewall problems automatically.

Incidentally, drifting a bit away from the main topic, should you need to access the following panels easily, you can type the following Run commands and hit Enter

Firewall Settings : FirewallSettings
Firewall Control Panel : FirewallControlPanel
Windows Firewall with Advanced Security : wf.msc

You might to see this post if your Windows could not start the Windows Firewall on Local Computer

How to Manage or Configure the Windows Firewall may also interest you.
Ported from WVC.

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Anand Khanse aka HappyAndyK is an end-user Windows enthusiast, a Microsoft MVP in Windows, since 2006, and the Admin of TheWindowsClub.com. Please create a System Restore Point before trying out any software & be careful about any third-party offers while installing freeware. Add me on Google+.
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