Hi! can anyone help? Im going mad now....

So i have a mac. and i have the fredo6 corner - with license. also the new lib, and the new extension plugin. i have the plugin icons. but when im clicking on it no setting window for the fredocorner plugin. the plugin is signed, validated license etc... i re download it a lot of time.and nothing. i have skp 2022. please help. thank you