You can easily set up your proxy settings for Windows Update and other background processes by using the commandline utility netsh.

Show the current settings:

netsh winhttp show proxy

Set up a basic proxy server:

netsh winhttp set proxy ip-or-host:port

Set up a proxy with a bypass list: "ip-or-domain" will not use the proxy:

netsh winhttp set proxy myproxy:80 ";ip-or-domain"

Set up individual proxy servers for each protocol accept for those in the bypass list:

netsh winhttp set proxy proxy -server= "http=ip-or-host:80 ;https=ip-or-host:88" bypass-list= "*.contoso.com"

To import the settings from Internet Explorer:

netsh winhttp import proxy source=ie

To clear and reset t  ...