Anyone know anything about hard drives?

[Bananalad]

if the media player file names are too long sometimes they wont be seen what format is the hard drive ntfs fat? and how big is the missing file 4.5gig >

i have some files on my media player that dont play just CBA to rencode them
programs i use to rencode are
VirtualDub.exe
ConvertXtoDvd.exe
FairUse Wizard 2
DVD Decrypter
DVD Shrink 3.2.exe

There only movies so under a gigabyte.. Just noticed one is 1.78 GB for a movie thats an hour and a half..