K-lite codec installation having no effect

Hi all, long time lurker first time poster:

Having looked through all the posts over the last year about using ofVideo in Visual Studio, and having installed and uninstalled the k-lite 12.1.0 Full codec package a number of times I have to ask, what should I do?

Perhaps I am using the wrong settings when I install the codecs?

I’m fairly new, pls help.
Thanks, HPM

oops pls ignore.