|1. Load your computer in safe mode with networking. Click Start, click Shut down, click Restart, click OK. During your computer starting process press F8 key on your keyboard multiple times until you see Windows Advanced Option menu, then select Safe mode with networking from the list.|
2. Open Internet explorer, click Tools and select Internet Options. Select "Connections".
3. Click LAN settings, if a "Use a proxy server for your LAN" is checked, uncheck it and press OK.