Proxy Authentication error, internet stopped working

I keep on receiving a popup box saying:

Proxy Authentication
Your proxy server requires a username and password. Contact your network administrator for the correct settings and supply your proxy username and password in the "Connection section of Settings.
Proxy server: 0.0.0.0:0
Username:
Password:

The internet is not working, and I'm not using a proxy, so I don't know why this message keeps on showing up even after reboots and making new users.
2 answers Last reply
More about proxy authentication error internet stopped working
  1. Hi newcomer and welcome to the Tom's hardware forum.

    Uninstall and install IE.
  2. I'm going to assume you're using IE.
    Tools-->internet options-->connections tab-->lan settings-->make sure the box is not checked to use a proxy server.

    If you aren't using IE, what browser are you using?
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