Hi Ronald,
Have you tried following the steps provided by Giridhar J ****on the first page of the thread?
You can also disable proxy settings on each browsers by following the steps below:
Internet Explorer
1.Open Internet Explorer and click on Tools.
2.Select Internet Options.
3.Click the Connections tab and click the LAN settings button.
4.Remove the check mark on the box for Use a proxy server for your LAN.
5.Then click OK button to save the changes.
Google Chrome
1.Open Google Chrome and go to the menu options which is the three-line icon at the top right corner.
2.Choose Settings from the drop-down list.
3.Select Network and click Change proxy settings.
4.Click the LAN Settings button.
5**.Uncheck** the box for Use a proxy server for your LAN.
6.Then click OK button to save the changes
Mozilla Firefox
1.Click the Firefox drop-down menu button which is the three-lineicon at the top right corner and choose Options.
2.Click the Advanced panel and then click the Network tab.
3.click Settings button on the Connection section and select No Proxy.
4.Click OK to close the Connection Settings and Optionswindow.
Let us know how it goes.
Regards.