alex@horus:~$ sudo apt-get remove --purge jadetex
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  screen-resolution-extra python-central dkms
Use 'apt-get autoremove' to remove them.
The following packages will be REMOVED:
  docbook-utils* jadetex*
0 upgraded, 0 newly installed, 2 to remove and 0 not upgraded.
3 not fully installed or removed.
After this operation, 1,245 kB disk space will be freed.
Do you want to continue [Y/n]? Y
(Reading database ... 177330 files and directories currently installed.)
Removing docbook-utils ...
Removing jadetex ...
Purging configuration files for jadetex ...
ucf: Unable to determine The new file
dpkg: error processing jadetex (--purge):
 subprocess installed post-removal script returned error exit status 1
Processing triggers for doc-base ...
Processing 1 removed doc-base file...
Processing triggers for man-db ...
Processing triggers for tex-common ...
Running mktexlsr. This may take some time... done.
Errors were encountered while processing:
 jadetex
E: Sub-process /usr/bin/dpkg returned an error code (1)