Submitting a task, help urgent.

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Hi all, I just now accepted one task, of joining some site. Did all that was necessary, and pasted the required info. But i'm not able to submit my task. The same page refreshes without my paste, n task is in still progress state. The task will be abondned in next 4-5 hrs. , How do i submit it. And what is abondned n fortified tasks, please HELP..