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My computer was recently on a LAN with a squid proxy. After returning to my home network, certain applications (that I'm assuming were proxied) are still attempting to connect to the local proxy (10.1.1.7:3128), seen here: Connections outbound to stale proxy IP and port

These are the steps I've done to clear out any stale settings:

  1. Internet Options>Connections>LAN settings> uncheck "Automatically detect settings"
  2. ipconfig /release
  3. ipconfig /renew
  4. ipconfig /flushdns
  5. ipconfig /registerdns
  6. arp -d *
  7. nbtstat -R
  8. netsh winsock reset
  9. del \wpad*.dat /s
  10. created regkey HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\EnableAutoproxyResultCache:0

Additionally, when I run the network troubleshooter it shows that the "device or resource (www.microsoft.com) is not responding" Network Diagnostics Screenshot

I have no issues browsing to any website

I have no ideas on what to try next so feedback would be greatly appreciated, thanks!

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    Possible dupe: How Windows automatically detects proxy settings
    – DavidPostill
    Mar 17, 2019 at 17:23
  • In an admin cmd prompt, what does the output of running: netsh winhttp show proxy show? You should run it from \windows\syswow64\ as well if it's 64-bit OS to see the setting for 32-bit processes. Does it say "Direct access (no proxy server)." for both? Mar 17, 2019 at 18:39
  • Wpad is not a file. Does the solution in the link given by DavidPostill help?
    – harrymc
    Mar 17, 2019 at 18:52
  • @HelpingHand Here is the output: C:\WINDOWS\system32>netsh winhttp show proxy Current WinHTTP proxy settings: Proxy Server(s) : 10.1.1.7:3128 Bypass List : (none)
    – effect
    Mar 17, 2019 at 19:33
  • In that case, run: "netsh winhttp reset proxy". Mar 17, 2019 at 19:34

1 Answer 1

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Solution was:

  1. Run Command Prompt as administrator
  2. Verify current winhttp proxy settings: "netsh winhttp show proxy"
  3. If it shows "Proxy Server(s): IP Address:Port" do step 4
  4. Run "netsh winhttp reset proxy"

Since I am a new contributor I cannot mark a comment as the answer so thanks to @HelpingHand.

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