Problem while installing SAP GUI

Dear All,

I have just installed SAPNW2004sSneakPreviewABAP on my windows xp system. Now complete installation worked fine but after finishing the installation when i tried to install GUI tool given along with (as separate zip file)the above download it gives error while connecting at port 21212, while installation i selected default ports.

Is there anybody who has ever faced this problem and can help me to sortout this problem?