looking at the changelog of 0.11.56 I see an item that sounds like it might fix this issue
http://sourceforge.net/project/shownotes.php?group_id=32880&release_id=442204 -- gentoo file manager cannot copy or delete files https://launchpad.net/bugs/27319 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
