cannot install libappindicator1:i386

[benzmuircroft]

Mist-linux32-0-9-3.deb

Ubuntu MATE Desktop Environment 1.12.1

cannot install libappindicator1:i386

apt-get install libappindicator1
Reading package lists... Done
Building dependency tree       
Reading state information... Done
libappindicator1 is already the newest version (12.10.1+16.04.20170215-0ubuntu1).
0 to upgrade, 0 to newly install, 0 to remove and 3 not to upgrade.

so then I tried to force it

dpkg -i --force-depends Mist-linux32-0-9-3.deb

dpkg -i --force-depends Mist-linux32-0-9-3.deb 
Selecting previously unselected package mist:i386.
(Reading database ... 202301 files and directories currently installed.)
Preparing to unpack Mist-linux32-0-9-3.deb ...
Unpacking mist:i386 (0.9.3-2075) ...
dpkg: mist:i386: dependency problems, but configuring anyway as you requested:
 mist:i386 depends on libnotify4.
 mist:i386 depends on libappindicator1.
 mist:i386 depends on libxtst6.
 mist:i386 depends on libnss3.

Setting up mist:i386 (0.9.3-2075) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu5.1) ...
Processing triggers for mime-support (3.59ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...

which gave me the Mist icon in my applications menu

but when I clicked on it - It came up with another error and told me to fix with apt-get install -f

apt-get install -f
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Correcting dependencies... Done
The following packages will be REMOVED
  mist:i386
0 to upgrade, 0 to newly install, 1 to remove and 3 not to upgrade.
After this operation, 208 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 202388 files and directories currently installed.)
Removing mist:i386 (0.9.3-2075) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu5.1) ...
Processing triggers for mime-support (3.59ubuntu1) ...

What am I doing wrong?

[benzmuircroft]

apt-get install libappindicator1
Reading package lists... Done
Building dependency tree
Reading state information... Done
libappindicator1 is already the newest version (12.10.1+16.04.20170215-0ubuntu1).
0 to upgrade, 0 to newly install, 0 to remove and 3 not to upgrade.

apt-get install libnotify4
Reading package lists... Done
Building dependency tree
Reading state information... Done
libnotify4 is already the newest version (0.7.6-2svn1).
0 to upgrade, 0 to newly install, 0 to remove and 3 not to upgrade.

apt-get install libxtst6
Reading package lists... Done
Building dependency tree
Reading state information... Done
libxtst6 is already the newest version (2:1.2.2-1).
0 to upgrade, 0 to newly install, 0 to remove and 3 not to upgrade.

apt-get install libnss3
Reading package lists... Done
Building dependency tree
Reading state information... Done
libnss3 is already the newest version (2:3.28.4-0ubuntu0.16.04.3).
0 to upgrade, 0 to newly install, 0 to remove and 3 not to upgrade.

dpkg -i Mist-linux32-0-9-3.deb
Selecting previously unselected package mist:i386.
(Reading database ... 202301 files and directories currently installed.)
Preparing to unpack Mist-linux32-0-9-3.deb ...
Unpacking mist:i386 (0.9.3-2075) ...
dpkg: dependency problems prevent configuration of mist:i386:
mist:i386 depends on libnotify4.
mist:i386 depends on libappindicator1.
mist:i386 depends on libxtst6.
mist:i386 depends on libnss3.

dpkg: error processing package mist:i386 (--install):
dependency problems - leaving unconfigured
Processing triggers for desktop-file-utils (0.22-1ubuntu5.1) ...
Processing triggers for mime-support (3.59ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Errors were encountered while processing:
mist:i386

[benzmuircroft]

dependencies are all installed yet mist won't install because ... missing dependencies??

[kylegordon]

This is likely an architecture issue.

Run uname -p If it says x86_64 then you should download the linux64 version of Mist