Default Can't copy Flac files to SD

Hi I am trying to copy some flac files to my HTC ONE but when I try this is copies the first file and freezes, this used to happen on my one x. Any ideas why this is happening, I am currently using SkyDragon 10.0
HTC G1 - Since departed ---- HTC Desire - Runny Rom 7.0.2 -----

----- HTC One X - Viper 2.1.0-(Now Stuck in APX Mode awaiting a fix)
-----

---- HTC One X+ - Viper 2.03 ---- HTC One M7 - Rooted & S-Off InsertCoin 2.4.0 -----

---- HTC One M8 - Rooted and S-Off Viper 1.8.0 ----