Call your Help Desk. My wife's does that, until she goes in and disable the Proxy in Internet Properties in Control Panel. Just remember to turn back on.
The first time she brought it home, because they replaced her older unit. IT had made a Fat Finger mistake in the VPN connection.
So when she tried to get on our home WiFi, it did the same as yours. Plus her work a GPO, to restrict her from using any LAN or WiFi connection, but the company's.