Get a New IP Address
1. Launch the command prompt. Click 'Start,' 'Run.' Type 'CMD.EXE' then press 'Enter.'
2. Release the current IP configuration. At the command prompt, type 'ipconfig /release,' and then press 'Enter.'

3. Get a fresh IP address. At the command prompt, type 'ipconfig /renew,' and then press 'Enter.'
Give the Application Permission in the Windows Firewall
4. Open the Windows Firewall settings. Click 'Start,' 'Control Panel' and 'Windows Firewall.'
5. Click the 'Exceptions' tab.
6. Check the program list to see if the program that generated the 12029 error is on the list. If it is, put a check in the check-box. If not, click 'Add Program.'
7. Add the program to the list. Browse to the program and double-click the program name. It will now appear on the list.
8. Enable the exception of the program. Click the check-box next to the program and click 'OK.'