Why does Windows 8.1 Update crash my Wi-Fi connection?

As soon I upgraded from 8.1 to 8.1 Update, I can only connect to my Wi-Fi connection at home for like 10 seconds, then the connection terminates and I have to restart the modem and it happens all over again. Other devices lose connection when this happens too. When I only login to my network from other devices (one iphone and 1 laptop (at which I'm typing now) the connection does not break.

Are you referring to a Windows phone or laptop?

Laptop.

You can try to update the network driver or firmware, may be the new system is not compatible with wireless network connection. You can see how to update here, hope it would help you, http://www.mywifirouter.me/blog/upgrade-router-firmware-to-wireless-connection/

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