When you try to start the Windows Firewall, you receive the following error message if the Firewall service is disabled or if your computer is infected with malware: 0x8007042c.
0x8007042c is a Windows Firewall error code. This error prevents you from activating the Windows firewall on your PC. The firewall is a network security system.
It represents a barrier between a secure and reliable internal network and another network (Internet) considered unsecured.
Error 0x8007042c is displayed in the following format: