Thanks for the sugestions Yeray, turned out that the problem was that I did not have .Net 3.5 installed.

I am trying to install TeeChartNET2012_4.1.2012.07130.exe on a windows 2003 server development machine, but the installation fails after entering my licence details and clicking next. Error message is: "Error running c:\program Files\Steema Software\Steema TeeChart for .Net 2012 4.1.2012.0.7139\Util...