Hello Narcìs and thanks you for the quick response. I've followed the steps in the post you've suggested and the result was: 1) licence file is correctly embedded 2) assembly folders are both empty 3) demo project fails to compile with same licence error 4) there's no [Steema Software] key under HKL...

I'm currently using a 32 bit version of .NET TeeChart v3. This is mandatory because I need to release the application I'm developing in 32 bit only. On a 32 bit Windows compilation is ok. Recently I had to change my development PC and now it is a 64 bit Windows 7. On the new PC I can't build the app...