Why isn't my Google Play store working?

[Muud Imran]

why is my google play store not wroking

this prob happen when i upgrade my android to 4.4.2 i use lenovo s650 please help me asap.

 

[B. Diddy]

Re: why is my google play store not wroking

Welcome to Android Central! Was that an official system update, or are you rooted and running a custom ROM?