Forum:I really would love to get some help

i had beat the game borderlands in a whole day and i finished the game killing the destroyer then i got the achievement destroy the destroyer and when i went to dinner i was going to go eat dinner so i turned my xbox off.... 20 minutes latter i come on and i see that my character which was a 35 soldier had been deleted....i become extremely pissed off and ive been trying to reach this support system for the last 30 minutes and i have no clue what to happen or what to do HELP ME