ошибка установки информации

Когда я пытаюсь установить Kmplayer из Ubuntu Software Center, это происходит, что мне делать? Благодаря.

installArchives() failed: 
Extracting templates from packages: 32%
Extracting templates from packages: 65%
Extracting templates from packages: 98%
Extracting templates from packages: 100%
Preconfiguring packages ...

Extracting templates from packages: 32%
Extracting templates from packages: 65%
Extracting templates from packages: 98%
Extracting templates from packages: 100%
Preconfiguring packages ...

Extracting templates from packages: 32%
Extracting templates from packages: 65%
Extracting templates from packages: 98%
Extracting templates from packages: 100%
Preconfiguring packages ...
Setting up install-info (5.2.0.dfsg.1-2) ...
/etc/environment: line 1: /usr/lib/jvm/jdk1.8.0_121/bin: Is a directory
dpkg: error processing package install-info (--configure):
 subprocess installed post-installation script returned error exit status 126
Errors were encountered while processing:
 install-info
Error in function: 
Setting up install-info (5.2.0.dfsg.1-2) ...
/etc/environment: line 1: /usr/lib/jvm/jdk1.8.0_121/bin: Is a directory
dpkg: error processing package install-info (--configure):
 subprocess installed post-installation script returned error exit status 126