When your write-ups disappear from the screen?

It feels like a loot of your treasure when your writings on the computer abruptly disappear as a ticklish behaviour on the machine to a stupefied amazement of the author, me in the instant case when a few days back the whole lot of my tedious work evaporated all of a sudden with no chance of recovery, a colossal damage as howsoever diligently and carefully you present your task and theme. No repent or remorse are of any solace except that the more I think of it the more is the pinch, it rather aggravates. No recuperation available, I have but to reconcile with the damage knowing fully well that it is not at all reconcilable.