Completely Turn OFF your Windows 7 Firewall
WHAT
Disabling your "windows firewall" service isn't enough ! Do it the right way !
HOW
To disable the firewall portion of Windows Firewall with Advanced Security from a command prompt
Open an Administrator: Command Prompt. To do so, click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
At the command prompt, type the following command:
netsh advfirewall set profiles state off
where profiles is AllProfiles, CurrentProfile, DomainProfile, PrivateProfile, or PublicProfile.
To disable the firewall portion of Windows Firewall with Advanced Security by using the Windows Firewall Control Panel program
Click Start, click Control Panel, click Network and Internet, and then under Windows Firewall, click Turn Windows Firewall on or off.
On the General tab of the Windows Firewall Settings dialog box, select Off (not recommended), and then click OK.
To disable the firewall portion of Windows Firewall with Advanced Security by using the Windows Firewall with Advanced Security MMC snap-in
Click Start, click All Programs, click Administrative Tools, and then click Windows Firewall with Advanced Security.
In the navigation pane, right-click Windows Firewall with Advanced Security on Local Computer, and then click Properties.
On each of the Domain Profile, Private Profile, and Public Profile tabs, change the Firewall state option to Off (not recommended).
Click OK to save your changes.