Looks like there is a bug regarding plugins that were removed completely from my computer but the removed plugins still show up in the add menu list. FLStudio 20.1.1 x64, Windows 10. ...
flstudio, but then uninstalled it from my hard drive because it was just the demo and wasn't really into it. I went into plugin manager and scanned and it shows its no longer there, but if I hit add new channel ...