FLStudio using the latest release.
4.Reset your FLStudio settings.
5/Windows - If the User data folder is set to a location inside Program Files, Windows may prevent FLStudio access and so FLStudio will fail to start. Reset ...
except I had 'no permission' to download maunal install of shared dll's. FLStudio Process doesn't even start. Removed all IL and FLStudio related applications and completed (clean) reinstall of 20.6 download. Turned off all security. Re-merged registry key download. ...