Solution 1: Run the Windows Defender Troubleshooter. The first thing you need to do when you face this error is to run
Solution 2: Check the Required Services. Another reason that the Windows Defender Firewall might not be starting is that
Solution 3: Reset Windows Firewall. If the issue is still there
Open up the Start Menu, type cmd, right-click on the first result and select Run as an Administrator.
After, type in the following commands one by one:
netsh advfirewall reset net start mpsdrv net start mpssvc net start bfe regsvr32 firewallapi.dll Resetting Windows Firewall.
To resolve firewall issues and troubleshoot Windows, follow these steps: Download the Windows Firewall Troubleshooter from Microsoft.
Double-click the WindowsFirewall.diagcab file.
Depending on the outcome of the troubleshooting, select the option that usually fixes the problem. All
If it works as expected, click Close My Troubleshooter.
Type and in the control panel, search for the Windows search bar and click “Open”.
Here set View by: > Large icons and click Windows Defender Firewall to continue.
Then click Allow a Windows app or feature through Defender Firewall.
A. Find and help Origin get through the firewall by checking the “Domain” box marked “Private and Public”.
Return to open services.
Find Windows Update.
Right-click it and select Start.
Zone alert. ZoneAlarm is one of the most famous and powerful firewalls in its class.
Komodo firewall. If you want the most efficient firewall for your PC, you can download their comodo firewall for free.
In this article, we will show you how to identify Windows Firewall error 0x6d9. Method 1: Perform a fresh system restore on your computer. Click on this search icon. Type system restore (without quotes). Accurate system restore button. Click Apply, then click OK.
Programming error 0x6D9 appears when trying to switch to Windows Firewall
Example 1 was error 0x6d9, an issue that probably prevents you from accessing the Internet. Method 1: Perform a system restore on your computer. Click the search icon. Type “system restore” (without quotes), click the system restore button. Click Apply, then click OK.
What is error 0x6d9 in Windows? Users who experienced this particular 6d9 error reported that their Windows Firewall was inadvertently disabled while installing their security software. Of course, the first solution to this problem is to remove the main antivirus and antivirus software.
I’m Ahmir, a freelance writer and editor who specializes in technology and business. My work has been featured on many of the most popular tech blogs and websites for more than 10 years. Efficient-soft.com is where I regularly contribute to my writings about the latest tech trends. Apart from my writing, I am also a certified project manager professional (PMP).