Cant upload file!

BANTsound 2 Oct 2015 16:00
Hi!
Sorry for my eng, i need to help, coz cant upload music-file.
See video: http://screencast.com/t/bzrD0VeC1p

Problem persists in other browsers.
BANTsound 2 Oct 2015 19:35
Delete, pls, verify.