Windows 10: Unable to connect to API (ConnectionRefused) Claude error

Discus and support Unable to connect to API (ConnectionRefused) Claude error in Windows 10 News to solve the problem; [ATTACH]If you are receiving the error message “Unable to connect to API (ConnectionRefused)” when trying to use Claude Code on your Windows 11/10 PC,... Discussion in 'Windows 10 News' started by WinClub, Aug 29, 2026 at 1:22 AM.

  1. WinClub New Member

    Unable to connect to API (ConnectionRefused) Claude error


    Unable to connect to API (ConnectionRefused) Claude error Unable-to-connect-to-API-ConnectionRefused-Claud-error.png
    If you are receiving the error message “Unable to connect to API (ConnectionRefused)” when trying to use Claude Code on your Windows 11/10 PC, this post will help you fix the issue. A few users have reported that Claude Code repeatedly displays this message when they try to start the tool or run a command. […]

    This article Unable to connect to API (ConnectionRefused) Claude error first appeared on TheWindowsClub.com.

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  2. How to set up wireless network connection?

    Hello everyone...

    I want to connect wireless network connection to my laptop. But I don't know why I am unable to do it.. I am getting some error. I think some configuration setting kind of error. Can you please provide me some steps so that I can get my work done.
    Thankx!!
     
    ashleysimpson052, Aug 29, 2026 at 1:23 AM
    #2
  3. jcaswell Win User

    Unable to connect to API (ConnectionRefused) Claude error

    W10 can connect to wider internet but cannot access web pages

    I have an odd issue with my W10 laptop linked to Sky broadband in the UK via wifi using a Sky router. The effect is that while I can actually access the internet (I can send and receive emails using Outlook and can connect to other machines using TeamViewer) I cannot access any web site (Google, BBC etc). There is no specific error message, merely that the access request timed out and a suggestion that it may be to do with proxy. I have tried the following:
    1. Other systems (W10 and ios) can access web sites using the same Sky router (therefore probably not a router problem)
    2. I have sent and received emails using Outlook, so the broadband connection is working (probably not a Sky problem)
    3. I have tried two different browsers (Firefox and Edge), no connection (not a browser problem)
    4. I am using Windows Defender and have:
      1. Made sure that Firefox is in the list of allowed systems in its Firewall, no connection after a reboot
      2. Turned off the Firewall and tried again - no connection
    My next step will be to re-install Windows, but has anyone got any other suggestions? Could it be some sort of virus (I have carried out a complete virus check using Defender) So - any suggestions?
     
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Unable to connect to API (ConnectionRefused) Claude error

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