Your USB may be set to the Fat32 file system. USBs set to this have a 4GB limit on file size. For larger than 4GB files format your USB using exFAT or NTFS file format.
Your USB may be set to the Fat32 file system. USBs set to this have a 4GB limit on file size. For larger than 4GB files format your USB using exFAT or NTFS file format.