Hi Yeray,
Moving the TeeChart include and library paths to the top of the IDE list has fixed the problem straight away. Thankyou very much for ending a week of frustration!

I am working with C++ Builder XE and TeeChart 2010 Pro. Setting the color of a series at runtime produces an EAccessViolation. I have installed the latest maintenance release today and still have the same problem. I have also found similar errors changing axis properties at runtime. This appears to ...