What files types are you trying to stream, audio mp3 or?

Did you review the Firewall/port settings on your Windows PC as suggested on the General TVersity FAQ (Note: your specific issue is not mentioned) http://tversity.com/support/faq/#troubleshooting-faq

More information will help, perhaps searching & reviewing then asking your question in Tversity Forums will bring you closer to a fix to your problem http://forums.tversity.com/search