xbian@xbian /etc $ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages have been kept back:
  xbian-package-config-shell
The following packages will be upgraded:
  libcurl3 libcurl3-gnutls xbian-package-lirc xbian-package-transmission
  xbian-package-xbmc xbian-update
6 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
Need to get 0 B/42.9 MB of archives.
After this operation, 28.7 kB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 35702 files and directories currently installed.)
Preparing to replace xbian-update 1.0-1.2 (using .../xbian-update_1.0-1.2_armhf.deb) ...
!-------------------------------------------------!
!                                                 !
! Please install this update on XBian 1.0 Beta 1  !
!    or use it to reinstall XBian 1.0 Beta 1      !
!                                                 !
!-------------------------------------------------!
dpkg: error processing /var/cache/apt/archives/xbian-update_1.0-1.2_armhf.deb (--unpack):
 subprocess new pre-installation script returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/xbian-update_1.0-1.2_armhf.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)