FLStudio will look for the FLStudio engine. Normally this is the location of FLStudio that was most recently installed. You may want to use another installation of FLStudio, for example an Alpha or Beta for testing ...
Flstudio 20 producer edition was not opening. No matter what I did, it just did not open. The carrot thing would appear, freeze and then disappear on my screen. So, I uninstalled Fl from my computer, and then reinstalled ...