The Win 7 firewall cannot enable the workaround

Problem:

1. Click "Recommended Configuration" of firewall in Windows 7 Control Panel No response

2. Open "Services", unable to start Windows Firewall, and error

3. Open Event Viewer, select Windows Log-system to find the most recent error with an event ID of 7024, and the log content is "Windows Firewall Service denied access." Stop with a service-specific error. ”

The steps are as follows:

1. Open the registry and find Hkey_local_machinesystemcurrentcontrolsetservicessharedaccess;

2. Right key sharedaccess, select "Permission";

3. Click "Add".

4. Enter "NT servicempssvc" in the text box under "Enter the object name to select", then click "Check Name" on the right, the content in the text box becomes "MpsSvc";

5. Click "OK";

6. Set "MpsSvc" permission, check "Full Control" for "allow";

7. Click OK.

Now back to the control Panel to select the firewall, click "Recommended Configuration" can be.