Comment 2 for bug 208918

this also prevents me from upgrading the package:

evan@thinkpad ~ $ sudo apt-get install flashplugin-nonfree Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
  konqueror-nsplugins msttcorefonts ttf-xfree86-nonfree xfs
The following packages will be upgraded:
  flashplugin-nonfree
1 upgraded, 0 newly installed, 0 to remove and 60 not upgraded.
2 not fully installed or removed.
Need to get 0B/18.4kB of archives.
After this operation, 0B of additional disk space will be used.
Preconfiguring packages ...
Setting up findutils (4.2.32-1ubuntu2) ...

(Reading database ... 97171 files and directories currently installed.)
Preparing to replace flashplugin-nonfree 9.0.115.0ubuntu4 (using .../flashplugin-nonfree_9.0.115.0ubuntu5_i386.deb) ...
update-alternatives: error or eof reading /var/lib/dpkg/alternatives/iceape-flashplugin for update_mode ()
dpkg: warning - old pre-removal script returned error exit status 2
dpkg - trying script from the new package instead ...
/var/lib/dpkg/tmp.ci/prerm: 88: cho: not found
dpkg: error processing /var/cache/apt/archives/flashplugin-nonfree_9.0.115.0ubuntu5_i386.deb (--unpack):
 subprocess new pre-removal script returned error exit status 127
postinst called with argument `abort-upgrade'
dpkg: error while cleaning up:
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/flashplugin-nonfree_9.0.115.0ubuntu5_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)