Did you check your email login from gmail to find out what if they sent you a email as to why it is blocked.

''<p>Ionel Calota [[#question-1486766|said]]</p>'' <blockquote>Ok, so my account is blocked and I do not know why, I want it unblocked please, send me link verification or anything to get it unlocked. Thank you! </blockquote> It looks like it was locked and not blocked. https://support.mozilla.org/en-US/kb/im-having-problems-confirming-my-firefox-account#w_my-mozilla-account-has-been-locked

I didn't get any email about this locked account situation.