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Program libraries

WXtrack requires a number of other libraries which may be obtained from the Web.  If you get messages about missing libraries such as VCL50.BPL, IJL15.dll or LPNG-PX.dll when trying to run WXtrack you will need to download these extra libraries.  If you have earlier versions of WXtrack then you are likely already to have the libraries on your PC.  You can download all of these runtime libraries and install them in one easy step.  Simply go to the site:

  www.satsignal.eu  --> Software, Runtime libraries

and download the package "runtime Library Bundle".  Extract the .exe file from the Zip archive and run the .exe file.  This will allow you to install all the required files on your system.

Common Control Library update

If you do not have a recent Microsoft product installed, such as Internet Explorer, it is possible that you may get an error message saying that "This control requires version 4.70 or greater of COMCTL32.DLL".  In this case, you will need Microsoft's Common Control Library update from: www.microsoft.com/msdownload/ieplatform/ie/comctrl.asp  (400KB)

Understanding "Missing DLL" error messages

There is information on analysing "Missing DLL" messages at:  www.satsignal.eu --> Software, Runtime Libraries