If you use CyanogenMOd 12 ROM and experience bootloop after install or update app from google play store. Here I will give the tutorial to avoid bootboop after installing the application.
bootloop is a situation where the Android smartphones refuses to boot normally. There’s something wrong with the Android device, which is preventing it from completing the boot cycle and is stuck between the boot animation and the unlock screen. Bootloop is mainly caused when system files interfere with each other, causing instability, and crashes at the boot sequence.
How To Fix Bootloop CM12 After Install Apps