Look at the list archives - this has ben answered plenty of times.

On 12/21/05, John Lawrence <blaquestic@gmail.com> wrote:
> rockbox wont play some of my wma files (it might be all of them but i havent
> tried some) on my h340. when i turn it back to the iriver firmware, they
> still play. does anyone know why this is? and how can i get it fixed? - John
>
Received on Wed Dec 21 03:47:31 2005