Lost file on folder lock.

Registration date
Saturday December 5, 2015
Last seen
December 5, 2015
few months ago i used folderlock to locked my file.
and bad thing happen. my win xp laptop broken and i have to buy a new one.
so i bought laptop with win 8. so i took the hdd and connect it to my new laptop and i try to install the new version of folderlock and try to open my file but its gone. the locker empty. how can i find my lost file? i really need that file. how to search the hidden file and the location. im running win 8 now.
thanks for helping me.