FLStudio doesn't decompress the wave files when you first install the program?
After some research the IL website explains that: "Many .WAV files included with FLStudio are .OGG encoded .WAV files. These files require the Vorbis ACM CODEC ...
flstudio 12 without uninstalling version 11 (By IMAGE-LINE RECOMMANDATION)
i kept version 11 on my pc to finish my latest projects before moving to version 12
and this what happens to the projects on 11 since ive installed ...