Where did you installed the Launchpad? It's possible you'd need to run it as admin if it resides in Program Files or elsewhere like that.
Try launching it, creating some accounts, closing and reopening. Did they save properly?
[11:20:20] aerelm: its not fl dev work if you dont have to power through the whole thing on your own
[11:20:32] aerelm: help is for pussy devs like in dota