I have restarted my HTC 825. And Its Showing Android is upgrading Starting apps. What do I do?

[AC Question]

I have restart My HTC 825. And Its Showing "Android is upgrading Starting apps.."

I have restart My HTC 825. And Its Showing "Android is upgrading Starting apps.."
1. How much time it will take in this process? Its is more than 30 min now.
2. Why its showing like this?
3. How to avoid it?
Thanks in advance....

 

[B. Diddy]

Welcome to Android Central! Did it actually notify you of a system update?