Unpacking libxcb-randr0 (from .../libxcb-randr0_1.7-2ubuntu2_i386.deb) ...
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dpkg-deb (subprocess): data: internal gzip read error: '<fd:0>: data error'
tar: Skipping to next header
tar: Exiting with failure status due to previous errors
dpkg-deb: error: subprocess tar returned error exit status 2
dpkg: error processing /var/cache/apt/archives/libqtgui4_4%3a4.7.2-0ubuntu6.2_i386.deb (--unpack):
 subprocess dpkg-deb --control returned error exit status 2