Windows Firewall Error Code 0x6D9

My firewall automatically turned off and is not starting saying "The Windows Firewall with Advanced Security snap-in failed to load. Restart the Windows Firewall service on the computer you are managing. Error code"0x6D9".


·        Do you remember making any changes to the computer prior to the issue?

·        Do you have any third party antivirus software installed on your computer?


Method 1:  You can also try the steps from the link and check if it helps:

Note: Virus scan may delete some of your data that are infected from the virus.

Method 2: You can also run the SFC scan to check if system files are intact:

How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7

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Question Info

Last updated April 9, 2020 Views 39,968 Applies to: