This error is generated when your XP computer, NetBIOS over TCP/IP is disabled.
Check that NetBIOS over TCP/Ip is Enable
Open Control Panel from Start menu.
Click the Network Connections and Internet Connections link.
Click the Network Connections link.
Double-click the Local Area Connections icon that you need to configure.
Double-click the Properties button.
Select Internet Protocol (TCP/IP) and then click the Properties button.
Click the Advanced button.
On the WINS tab, select the Enable NetBIOS over TCP/IP button and then click the OK button.
Click OK again and then click the Close button
Exit the Local Area Connection Properties dialog box.
Several error messages and error codes are also generated if there is a problem in your
Windows registry or your computer is infected with a virus or spyware