Ok, I found the problem.

There was no messaging during the install, but Vista was blocking updates to TeeChart files in C:\windows\systems.

Fix: You must manually copy the contents of "TeeChart's C++ Builder\System" folder to "C:\windows\system32" folder.

-add5

Yes, I have C++Builder 6 Update 4 installed as well. I have tried disabling Vista's User Account Control feature, but it didn't work either. Interestingly, I tried installing TeeChart separately on the C: and D: drive (uninstall done before next drive). Drive D: installs don't give me errors when I ...

I've been using TeeChart Pro 6.0 w/ Builder C++ 6 on a Win2000 computer. I'm trying to port over to a Vista computer, but the TeeChart install fails and I get an incomplete install. In Borland Builder, if I tried to install the TeeChart 6 components, I get following errors, example: "C++ Builder 6: ...