Corrupted file on MP4

Steve Grace sgrace at
Sat Feb 2 02:40:53 UTC 2008

On Fri, 2008-02-01 at 22:40 +0200, Nigel Ridley wrote:
> Is there a [cmd line] method of removing a corrupted file on an MP4?
> I tried copying a bunch of MP3's to my daughter's new MP4 and one of the 
> directories with a bunch of songs got corrupted (according to WinXP - 
> Feisty didn't give any info, just won't let me delete it). The MP4 can't 
> delete the directory either. I did manage to rename it (to 'corrupted') 
> and then successfully copied the said directory to the MP4.
> Using the gui on Feisty, the MP4 and WinXP, there is no way to delete it 
> or overwrite it. Is there a way using the command line? Perhaps using 'dd'?


Many Chinese-made "MP4" players advertise the incorrect capacity (e.g.,
4 GB when they're really 1 GB). Adding files beyond the "real" capacity
results in file system corruption. The only way out is to reset the
player to the correct capacity and to re-load your files.

See my web page here:

Good luck!


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