Double Commander

[tomik@tom double_cmd]$ ./doublecmd
/bin/sh: pmount: command not found
Starting GuiMessageQueue
Starting Double Commander
Double Commander 0.5.5 alpha
Revision: 3921
Build: 2011/09/20
Lazarus: 0.9.29-29652M
Free Pascal: 2.4.2
Platform: i386-Linux-gtk2
System: Fedora release 13 (Goddard)
Widgetset library: GTK 2.20.1
This program is free software released under terms of GNU GPL 2
(C)opyright 2006-2011 Koblov Alexander (Alexx2000@mail.ru)
   and contributors (see about dialog)
Executable directory: /home/tomik/programs/double_cmd/
Loading configuration...
Creating PixmapManager
Loading icon theme DCTheme
Theme hicolor not found.
UDisks: Service found running.
UDisks: Version 1.0.1
TColumnsFileView.Create components
Creating TFileSystemFileSource
TColumnsFileView.Create components
FileSystemWatcher thread starting
frmMain.frmMainShow
WLX: Load - OK
Creating TVfsFileSource
Creating TWfxPluginFileSource
WFX module loaded /home/tomik/programs/double_cmd/plugins/wfx/ftp/ftp.wfx at 092C3E58
Found registered plugin /home/tomik/programs/double_cmd/plugins/wfx/ftp/ftp.wfx for file system FTP
Destroying TWfxPluginFileSource when refcount=0
Creating TWfxPluginFileSource
WFX module loaded /home/tomik/programs/double_cmd/plugins/wfx/samba/samba.wfx at 09413F40
Found registered plugin /home/tomik/programs/double_cmd/plugins/wfx/samba/samba.wfx for file system Windows Network
doublecmd: xcb_io.c:183: process_responses: Assertion `!(req && current_request && !(((long) (req->sequence) - (long) (current_request)) <= 0))' failed.
Aborted (core dumped)