Comment 5 for bug 959795

I have the same problem but dpkg -i trousers* still fails.

# dpkg -i trouser*
(Reading database ... 177528 files and directories currently installed.)
Preparing to replace trousers 0.3.7-2ubuntu1 (using trousers_0.3.7-2ubuntu1_amd64.deb) ...
 * Stopping Trusted Computing daemon tcsd [ OK ]
Unpacking replacement trousers ...
Setting up trousers (0.3.7-2ubuntu1) ...
The system user `tss' already exists. Exiting.
 * Starting Trusted Computing daemon tcsd [fail]
invoke-rc.d: initscript trousers, action "start" failed.
dpkg: error processing trousers (--install):
 subprocess installed post-installation script returned error exit status 137
Processing triggers for ureadahead ...
Processing triggers for man-db ...
Errors were encountered while processing:
 trousers