What happens if you uninstall, then reinstall instead of updating?
I am using Karbonn K6 phone which is running Android 7.0. As I am trying to install Showbox app as I click on Install it is unresponsive/can't click however if I click on Cancel it gets cancelled. 
This issue has rose out of no where can anyone please help me?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic