Internet Explorer shares proxy settings with Windows. Therefore, disabling the proxy server in Internet Explorer also disables it for other Windows applications.

Error Writing Proxy Settings, Access is denied can occur at Windows startup or when you try to run a command. Here's how to resolve the issue.

Go to Computer Configuration, Administrative Templates, Windows Components, Internet Explorer. There is a setting that says "Make proxy settings per machine (rather than per user)." Enable that ...

I am trying to utilize the "Make Proxy settings per machine (rather than per-user)" setting in "Computer Configuration\Administrative Templates\Windows Components\Internet Explorer\".

Click "Connect via a proxy server," then click "HTTP proxy" and then click "OK." This will configure Yahoo Messenger to use the same proxy settings as Internet Explorer.