Try running sudo apt-get clean and reupgrading.
** Changed in: qt4-x11 (Ubuntu)
Status: New = Invalid
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package libqt4-designer (not installed) failed to install/upgrade: no se puede
acceder al archivo: No existe el fichero ó directorio
https://bugs.launchpad.net/bugs/569574
You
** Attachment added: Df.txt
http://launchpadlibrarian.net/45230703/Df.txt
** Attachment added: Dmesg.txt
http://launchpadlibrarian.net/45230704/Dmesg.txt
** Attachment added: DpkgTerminalLog.txt
http://launchpadlibrarian.net/45230705/DpkgTerminalLog.txt
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package libqt4-designer
