The plugin crashes FL Studio as soon as you turn the knob.
Corrupted settings can cause the crack issue. To reset Soundgoodizer settings: soundgoodizer crack fix
Soundgoodizer is included for free with every version of FL Studio (including the Fruity Edition). You do not need a crack for it. If it isn’t working, it is a software conflict, not a licensing one. The plugin crashes FL Studio as soon as you turn the knob