This is a topic discussed almost every day here in the forum.
There's no point stressing, will have good days, bad days and terrible days that you wanna break the pc, that not to blame for anything.
I think qdo is disqualified click only is pq at your profile previously reported in the registration site, u did not fit the requirements for the research. Here comes the question: if my data is already it, so why rays send me invitations? only to disqualify? Anyway, you have to be patient, especially with the samplício.