Invalid MS-DOS Function

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16 Mar 2012
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Hi guys, I recently bought a new HDD (this one) for use as a media drive. It installed and formatted fine.

However, when I come to copy across some media files (.mkv) they all seem to be copying at ~70MB/s apart from one file, where I get a box saying "Invalid MS-DOS function". I get the options to skip, cancel or try again.

Any ideas? I've done a quick google search however they all seem to suggest no read/write permission or are going along those lines. However this particular file is not open in any program or is not being used in any way.

I've never seen this error before in my 15+ years using windows so I'd appreciate some info on what it actually means?

If it helps, I'm using Windows 7 x64, the file is approx 1GB (a film), both the source and destination HDD's are connected through sata 6gb/s and neither are my system drive.

Thank you
 
Both disks are formatted as NTFS yeah, I've renamed the file "1.mkv" just for ease of use.

The problem occurs when I'm copying about half way through the progress bar. I'm using ctrl+c, ctrl+v in two different Windows Explorer windows.

I've just tried copying through command line as well - it states "Incorrect Function, 0 files copied" after thinking about it for 5 or so minutes.
 
No other copies of the file, but I do have the DVD on the shelf...I think I'll just bite the bullet and rip it again on the new disk.

Just curious, but what do you mean by bad cluster? It plays in VLC absolutely fine, just seems to break down when copying. It won't even create a copy of the same file on the source disk, i.e. "1 (2).mkv"

Thanks for the replies!
 
Re-rip done.

Funny thing is, explorer wouldn't even delete the file. The only way to get rid of it was to format the disk (I'm selling it now anyway).

One of those things I guess...who knows.
 
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