windows 10 mobile driver?

i installed windos 10 last update on my samsung ativ s... after that i datd the driver that i installed when the systam phone was wp8.1.. i connected the ativ s to the pc, and the pc cannot install the drivers:
- mtp usb driver
-windows 10 mobile device driver

now i cannt to use my phone in my pc..

help!!! :crying: