here is the video to tell you about the file system, which allow you to copy file with the limited size.
FAT32 will allow you to copy less than 4GB file to your pen drive. if the file is more than 4GB, you would not be able to copy that file to pendrive. so here is the solution..
please watch the complete video and it will give you the solution to fix this issue.
please follow the instruction and steps and resolve this issue.
regards,
Mohit Pal