I'm sorry, I am inexperienced and did not know what details to include. My operating system is Windows XP, Build 2600 with Service Pack 3 My Delphi is Embarcadero Delphi XE Version 15.0.3953.35171 with Update 1 My Tee Chart install is TChart Pro version 2010.02.20202 Win 32 The machine I installed o...

After following advice I found here regarding a clean install (removed all teechart from Delphi XE), I reinstalled TeeChart VCL 2010 For Delphi XE. The 'simple' TeeChart series and functions work correctly, but those that require Curvfitt, etc. do not work - the IDE indicates it cannot find Curvfitt...