Why is my Moto G 3 gen not finding my pc?

[AC Question]

why my moto g 3 gen is not find on my pc

when i am connect the my mobile to pc it is not recognize MTP in my computers, but PTP shows, when i am try to connect MTP a message showed on toolbar

 

[B. Diddy]

Welcome to Android Central! When you connect via USB and swipe down the notification panel to tap the USB notification icon, what do you see? Are you saying an error message appears if you select MTP?