Extracting templates from packages: 100%
Preconfiguring packages ...
(Reading database ... 57680 files and directories currently installed.)
Unpacking x11-common (from .../x11-common_1%3a7.1.0-16_i386.deb) ...
rmdir: /usr/X11R6/bin: Directory not empty
dpkg: error processing /var/cache/apt/archives/x11-common_1%3a7.1.0-16_i386.deb (--unpack):
 subprocess pre-installation script returned error exit status 1
Preparing to replace libice6 4.3.0.dfsg.1-14sarge3 (using .../libice6_1%3a1.0.1-2_i386.deb) ...
Unpacking replacement libice6 ...
Preparing to replace xlibs-data 4.3.0.dfsg.1-14sarge3 (using .../xlibs-data_1%3a7.1.0-16_all.deb) ...
Unpacking replacement xlibs-data ...
dpkg: warning - unable to delete old directory `/usr/X11R6/lib/X11/icons/default': Directory not empty
dpkg: warning - unable to delete old directory `/usr/X11R6/lib/X11/icons': Directory not empty
dpkg: warning - unable to delete old directory `/etc/X11/cursors': Directory not empty
Errors were encountered while processing:
 /var/cache/apt/archives/x11-common_1%3a7.1.0-16_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)