[b]"How to Set Up a Windows Proxy Server for Better Network Control?"[/b] or [b]"What Are the Best Practices for M

Question for you: Are you using authentication? If so, the windows proxy server might be rejecting requests silently.

Try bypassing auth temporarily to see if that’s the blocker. Also, check the `refresh_pattern` settings—Squid can get weird with cached responses.

Worth a shot!