Copying a folder, it gets repeated and 'format error'
 

Hey guys..My Mp4 player is chinese.Its firmware is Lisong Mp3 player Company : Wilson.Co and Version : 9.1.52.

The Complaint is that when i copy a folder to device, it will get repeated..Then when i copy a song or photo or text or video.It is not working when it is copy as new thing..it wanted all to copied in it in one time. Otherwise it is reading "format error".

Any body Plz

Thank You