Error exit status 127 on installation of KDE desktop on ubuntu 14.04 LTS -


i tried install kde desktop on ubuntu 14.04 lts. @ end of installation, got error:

processing triggers install-info (5.2.0.dfsg.1-2) ... /etc/environment: line 3: $: command not found dpkg: error processing package install-info (--unpack):  subprocess installed post-installation script returned error exit status 127 processing triggers fontconfig (2.11.0-0ubuntu4.2) ... errors encountered while processing:  install-info e: sub-process /usr/bin/dpkg returned error code (1)

in other window message appear:

processing triggers fontconfig (2.11.0-0ubuntu4.2) ... errors encountered while processing:  install-info e: sub-process /usr/bin/dpkg returned error code (1)

my linux version is:

cat /proc/version linux version 3.16.0-77-generic (buildd@lgw01-09)  (gcc version 4.8.4 (ubuntu 4.8.4-2ubuntu1~14.04.3) )  #99~14.04.1-ubuntu smp tue jun 28 19:17:10 utc 2016

here data machine:

ar-it07201                 description: space-saving computer product: optiplex 9020 (optiplex 9020) vendor: dell inc. version: 01 serial: crmvn22 width: 64 bits

an cpu procesor:

 *-cpu       description: cpu       product: intel(r) core(tm) i7-4770 cpu @ 3.40ghz       vendor: intel corp.       physical id: 3a       bus info: cpu@0       version: intel(r) core(tm) i7-4770 cpu @ 3.40ghz       slot: socket 0       size: 3888mhz       capacity: 3888mhz       width: 64 bits       clock: 100mhz       capabilities: x86-64      ....  *-memory       description: system memory       physical id: 3e       slot: system board or motherboard       size: 16gib


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