FLStudio, until the more recent versions.
Also, there are a lot of crashes with the latest version of FLStudio, in general. I have never had this many crashes in such frequent intervals. (Don't know if it's because ...
Flstudio kept complaining that my version of flstudio was too old to properly open the project. So my reaction was to download the newest version of flstudio. After this the problem started showing up. I couldn't open ...