Windows vista can restrict file save function of MetaTrader. This is a conflict between Windows Vista and MetaTrader and not related to designation of PipCastTrader, but can influence the functionality of PipCastTrader.
In case you are sending signals from a computer with Windows Vista, you need to turn "UAC" feature off. Otherwise MetaTrader can’t save data and no data will be transferred to site.
For a step by step guide please follow this link:
http://www.howtogeek.com/howto/windows-vista/disable-user-account-control-uac-the-easy-way-on-windows-vista/You can find more data about this conflict by searching "Vista" in forum.mql4.com.