Hi Sandra,

There was no registry entry for the design key - running TeeReg V2 using Administrator successfully created the entry and solved the problem

Thanks very much for your time

Hello Sandra, I have downloaded and installed the TeeChart.Net V2 Update (unsigned) - I then had to manually update the VS2005 Toolbox to the new version. I then created a new windows application and dropped a tChart on the form and got the same error: Exception occurred creating type 'Steema.TeeCha...

Have installed VS2005 on Window 7 64-bit machine (as Administrator) and subsequently SP1 and SP1 upgrade followed by TeeChart.Net V2 The existing (built under XP) applications run under Windows 7 but will not build due to TeeChart licencing issues: Exception occurred creating type 'Steema.TeeChart.T...