How do I check Windows Firewall? (Windows XP)

In case that UPnP software does not work properly, please check the configuration of "Windows Firewall" with the following procedure.

1. Click [Start]-[Control Panel]-[Network and Internet Connections]-[Network Connections].
   
2. Double click [Local Area Connection].
   
3. Click on the [Properties] button in the [Local Area Connection Status] window.
   
4. Click on the [Advanced] tab in the [Local Area Connection Properties] window, and then click the [Settings] button.
   
5. If there is a check mark in the box of [Don't allow exceptions], remove the check mark.
   *If "Windows Firewall" is disabled, you do not have to check other settings. Click the [OK] button to close the window.
   
   
   
6. Click the [Exceptions] tab.
   Check an appropriate (using) program (software name) and service if there is no check mark in the box 
   
   
   
7. Click on the [OK] button in each window, and then close it.