Lg k7 Viper4 android guide

Requirements:*
-Root
-Busybox
-Custom recovery

Installation:
1.- Deactivate NuPlayer in developer options.
2.- Deactivate any other equalizer.
3.- Set selinux to permissive with an app
Download link for viper
http://forum.xda-developers.com/atta...3&d=1428464518

4. Reboot to twrp flash viper.
5.reboot. Open viper. You have to install driver i used middle one.
6.click enable viper inside app. And force viper.
Also set user ui to expert in settings for extra options.
Make sure to give thanks to the viper team

viper4 is not installing properly.

i am using cm12.1 rom. i installed busybox. i am using viper lollipop . i searched several methods on internet. but i couldn't solve . how to fix this problem?