Cause

SprinxCRM runs on any Microsoft Windows operating system that is capable of running Internet Information Services (IIS).
Since Windows XP/Vista Home does not support Internet Information Services (IIS), it is not possible to run/install SprinxCRM on Windows XP/Vista Home.

Solution

If you want to try SprinxCRM (demo), you can use the Online version of SprinxCRM. Please go to SprinxCRM Online and register.