Comment 2 for bug 291262

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Michael Vogt (mvo) wrote : Re: package update-manager 1:0.93.32 failed to install/upgrade: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1), E:Sub-process /usr/bin/dpkg returned an error code (1)

Thanks for your bugreport.

Here is what is causing the error:

Preparing to replace python-psyco 1.5.1-3 (using .../python-psyco_1.6-1_i386.deb) ...^M
pycentral: pycentral pkgprepare: not overwriting local files^M
pycentral pkgprepare: not overwriting local files^M
dpkg: error processing /var/cache/apt/archives/python-psyco_1.6-1_i386.deb (--unpack):^M
 subprocess pre-installation script returned error exit status 1^M