Can't get Wireless or LAN to work

I have a Toshiba Satelite S55DT-A (serial XXXXXXXXX) and everything was working fine until this past weekend when a windows update processed and now my wireless and ethernet do not work. I tried rolling back the update but that has not worked.  I have tried to download new drivers from Toshiba and that has not worked either.  I am at a loss for what to do next.  Any suggestions?  I posted an image of the error I get on the screen from the driver manager.
[Moderator edit to remove serial number.]
Attachments:
error.jpg ‏162 KB

Satellite S55Dt-A5130
Downloads here.
a windows update processed and now my wireless and ethernet do not work. I tried rolling back the update but that has not worked.
Tell us what you mean by that. Did you use System Restore? Did you uninstall something that came from Microsoft? Or what?
Which updates are you talking about? Do you know how to learn that?
Did you verify in Device Manager that the LAN is Atheros and the wireless is Realtek?
-Jerry

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