FlStudio once and downloaded the newest Fruity Wrapper - this solved the problem for half a day, however it promptly returned after this. A similar issue has never been a problem and Kontakt and FlSTudio have been working in harmony ...
FL 20.5, build 1142.
In the video it for some reason doesn't show the add plugins menu at the end, where I try and select Sylenth and Serum and nothing happens, and then I try another vst and it opens ...