Please be aware that if you are trying to run QCharts 6.1.x on a Pentium 4 based computer, you will encounter many difficulties. The P4 processor-based computers simply aren't powerful enough any more. You will need a new computer.
The new System Requirements for QCharts are here: http://www.qcharts.com/download/default.asp#require
Also, the "Rocket" section of this website has more detailed info: |