Preparing to replace nvidia-common 0.2.30 (using .../nvidia-common_0.2.30.1_i386.deb) ...
Moving obsolete conffile /etc/kernel/postinst.d/nvidia-common out of the way...
Moving obsolete conffile /etc/kernel/header_postinst.d/nvidia-common out of the way...
Unpacking replacement nvidia-common ...
Preparing to replace flashplugin-installer 10.3.183.7ubuntu0.11.04.1 (using .../flashplugin-installer_10.3.183.10ubuntu0.11.04.1_i386.deb) ...
Unpacking replacement flashplugin-installer ...
Preparing to replace flashplugin-nonfree 10.3.183.7ubuntu0.11.04.1 (using .../flashplugin-nonfree_10.3.183.10ubuntu0.11.04.1_i386.deb) ...
Unpacking replacement flashplugin-nonfree ...
Preparing to replace gimp-dbg 2.6.11-1ubuntu6.1 (using .../gimp-dbg_2.6.11-1ubuntu6.2_i386.deb) ...
Unpacking replacement gimp-dbg ...
Preparing to replace libgimp2.0 2.6.11-1ubuntu6.1 (using .../libgimp2.0_2.6.11-1ubuntu6.2_i386.deb) ...
Unpacking replacement libgimp2.0 ...
Preparing to replace gimp-data 2.6.11-1ubuntu6.1 (using .../gimp-data_2.6.11-1ubuntu6.2_all.deb) ...
Unpacking replacement gimp-data ...
Preparing to replace gimp 2.6.11-1ubuntu6.1 (using .../gimp_2.6.11-1ubuntu6.2_i386.deb) ...
Unpacking replacement gimp ...
Preparing to replace libqt4-assistant 4:4.7.2-0ubuntu6.2 (using .../libqt4-assistant_4%3a4.7.2-0ubuntu6.3_i386.deb) ...
Unpacking replacement libqt4-assistant ...
Preparing to replace libqt4-opengl 4:4.7.2-0ubuntu6.2 (using .../libqt4-opengl_4%3a4.7.2-0ubuntu6.3_i386.deb) ...
Unpacking replacement libqt4-opengl ...
Preparing to replace libqtgui4 4:4.7.2-0ubuntu6.2 (using .../libqtgui4_4%3a4.7.2-0ubuntu6.3_i386.deb) ...
Unpacking replacement libqtgui4 ...
xz: (stdin): Compressed data is corrupt
dpkg-deb: error: subprocess <decompress> returned error exit status 1
dpkg: error processing /var/cache/apt/archives/libqtgui4_4%3a4.7.2-0ubuntu6.3_i386.deb (--unpack):
 short read on buffer copy for backend dpkg-deb during `./usr/lib/libQtGui.so.4.7.2'