Windows 7 system shared printer appears "Unable to save printer settings operation cannot be completed Error 0x00000d9"

Symptom:
Windows 7 system shared printer appears "Cannot save printer settings operation cannot be completed Error 0x00000d9”.

Cause analysis:
This problem is caused by the firewall windows firewall service not being opened.
Solution:
Open the windows firewall service
Method 1
1. Right click on my computer, select Manage and open management;

2. Open the service on the left and Application, double click on the service on the right and open;

3. In the list of services that appear, find the windows firewall and select Enable.

Method 2
1. Find the firewall under Control Panel;

2. Use the recommended settings or enable the firewall.