Weeeee - it works. Adding the licx file did the trick, definitely a case of RTFM on my part. Thanks for your help.

Still no icon on VS2003 - no errors were seen in installation. Not so important as I tend to use the c# API but it would be nice to have it at some point. I'll try a re-install.

Reading the other thread it seems I have no licx file in my c# visual studio project. Come to that after installing (and rebooting) I can find no reference to TeeChart in VS2003 (no icon and no mention in view->toolbars). Could it be that I am not coding the license in dll?

Narcis Thanks for getting back to be so quickly. I downloaded your latest service relrease (Feb 25th) - compiled my app and uploaded but seem to get the same error. Curiously a similar problem I see from one of the other threads: Object reference not set to an instance of an object. at Steema.TeeCha...

I've been using TeeChart Active X for some years and recently trialled the dot net version for an application on our remote web server. This is a shared web server running dot net which we have ftp access only. The trial ran fine and when it ran out I purchased a development copy and extra runtime. ...