What should I do if the Win7 firewall fails to open and prompts the 0x6D9 error code?

A firewall is a network security system between the internal network and an external network, an information security protection system. The firewall plays a crucial role, but recently a user friend reported that the firewall failed to open under Win7 and prompted 0x6D9 error code. This is because of what caused it? How to solve it, don't be nervous about the friends who have encountered this problem. Let us teach you how to solve this problem.

resolution steps:

1, click on the Start menu, select Run and type services.msc OK, open the list of local services;

2, in the list of services find the & ldquo; Windows Firewall service;

3, double-click the service, set the startup type to & ldquo in service properties; manual & rdquo; or & ldquo; automatic & rdquo ;, and click the start button to turn on the service;

generally appear firewall turned fails with an error code 0x6D9 mostly due to the win7 system firewall service is not open properly lead, the firewall needs to open the Windows firewall service support.