Transcend 1GB pen drive wont work

Hello,
I have a transcend 1GB pen drive it worked till last Friday, but last Saturday it was plug in to my computer suddenly the computer got off by a power cut at that time the pen drive is in use 'playing a song' after the power cut I switch on the computer then I plug the pen drive the light blinks but pen wont show in the computer and there is a error massage it says there is problem during installing drive.I'm using win xp professional sp2 as my os.please help me with this problem hoping for a good answer soon.