1. Uninstall Viper4android driver
2. Reboot into Recovery Twrp/Cwm
3. Install SuperSU https://download.chainfire.eu/696/SuperSU/
4. Install busybox http://www.mediafire.com/?239ghc142cahkaj
5. Reboot System
6. Install busybox https://play.google.com/store/apps/details?id=me.timos.busyboxonrails...