i cant see my vault! urgent Help needed

Hi guys i am currently traveling and i have all my bank details passport copys etc on my sandisk cruzer. i whent into an internet cafe the other day opened everything succesfully but for the past couple of days the little silver vault ivon is missing and i cant find it. i have tried different computers but with no succes. please please can sombody assist as i need my driver liscence copy to rent a bike and go on a journey with my friends.