Problem regarding my pmp player camera

Question

I have a Pmp mp4 player(Made in China) with a camera.i do connect it computer.From Yersterday the Camera of PMp player is not working its getting hanged as if its software is corrupted.i have to restart the Player again.then in the PMP player memory the m3 songs which i had stored is getting hanged but my memory card mp3 and video songs are working fine.Is there any software to fix this problem do advice