Nokia-N900:~# apt-get purge fennec
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  fennec*
0 upgraded, 0 newly installed, 1 to remove and 1 not upgraded.
After this operation, 35,5MB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 51794 files and directories currently installed.)
Removing fennec ...
dpkg: error processing fennec (--purge):
 subprocess pre-removal script returned error exit status 1
Errors were encountered while processing:
 fennec
E: Sub-process /usr/bin/dpkg returned an error code (1)
Nokia-N900:~#