Comment 24 for bug 59392

Error I was getting:
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Synaptic error
E: pidgin: subprocess post-removal script returned error exit status 139
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Error from console

me@My:~$ sudo apt-get install minicom
Reading package lists... Done
Building dependency tree
Reading state information... Done
Recommended packages:
  lrzsz
The following packages will be REMOVED:
  pidgin
The following NEW packages will be installed:
  minicom
0 upgraded, 1 newly installed, 1 to remove and 0 not upgraded.
11 not fully installed or removed.
Need to get 0B/179kB of archives.
After unpacking, 624kB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 109145 files and directories currently installed.)
Removing pidgin ...

(update-desktop-database:6538): GLib-CRITICAL **: g_key_file_get_string_list: assertion `group_name != NULL' failed
Segmentation fault (core dumped)
dpkg: error processing pidgin (--remove):
 subprocess post-removal script returned error exit status 139
Errors were encountered while processing:
 pidgin
E: Sub-process /usr/bin/dpkg returned an error code (1)
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I removed NVIDIA-Settings.desktop and the problem was solved. That .desktop files was empty, did not have the [Desktop Entry\] at all.

O.