iTaskPro v2.0 is a major release which incorporates some very useful improvements, such reverse sync from Outlook/iCal, Task View support, etc.  For release summary, please see  iTaskPro v2.0 release summary.

If you haven't updated iTaskPro v2.0 on your iPhone, please update first.  Otherwise, it won't be able to work with v2.0 sync desktop program! 

If you have updated iTaskPro v2.0, please proceed to "Download" the v2.0 sync desktop program and follow the instruction and tutorial to install it.