root@user:/home/user/Downloads# apt-get install synaptic
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
 synaptic : Depends: libept1.5.0 but it is not going to be installed
            Depends: libvte-2.91-0 but it is not going to be installed
            Recommends: libgtk2-perl (>= 1:1.130) but it is not going to be installed
            Recommends: rarian-compat but it is not going to be installed
 unity-scope-gdrive : Depends: account-plugin-google but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
root@user:/home/user/Downloads# apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following additional packages will be installed:
  account-plugin-google
The following NEW packages will be installed:
  account-plugin-google
0 upgraded, 1 newly installed, 0 to remove and 1416 not upgraded.
1 not fully installed or removed.
Need to get 0 B/3.372 B of archives.
After this operation, 30,7 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 247976 files and directories currently installed.)
Preparing to unpack .../account-plugin-google_0.13+16.10.20160929.1-0ubuntu1_all.deb ...
Unpacking account-plugin-google (0.13+16.10.20160929.1-0ubuntu1) ...
dpkg: error processing archive /var/cache/apt/archives/account-plugin-google_0.13+16.10.20160929.1-0ubuntu1_all.deb (--unpack):
 trying to overwrite '/etc/signon-ui/webkit-options.d/accounts.google.com.conf', which is also in package kaccounts-providers 4:16.04.3-0ubuntu1
Errors were encountered while processing:
 /var/cache/apt/archives/account-plugin-google_0.13+16.10.20160929.1-0ubuntu1_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)