Music player not working , operation failed message.pls. help

Hi , i have a 2730 classic nokia cell phone , suddenly i lost my music player with a message (operation failed) , also i lost, themes , grafics , tones , wall papers , frames for photos , objects to insert with messages . i made an update to software , i lost the arabic language.
cell working good but with out these . pls. help me how to gain what i lost