Dunno whether PC or pendrive problem. But, here goes
when I try to copy a movie "Student of the Year" (which is 4.37 GB in size) to my 7.50 GB Pendrive, an error occurs saying, "The file is too large for destination file system"..
Steps to solve the "file is too large for destination file - Microsoft Community
Why cannot I not get an 8gb file onto my 16gb cruz... - SanDisk Forums
might help you understand why it's happening.