LightAtom

ERR_CONNECTION_ABORTED: How to Fix It

The connection was aborted, often by software on your own computer (antivirus, VPN, proxy) or by a server that ended an unusual request.

ERR_CONNECTION_ABORTED

The connection was ended in the middle, often by something on your own device such as security software, sometimes by the server.

Quick checks

  • Reload and try a private window.
  • Pause antivirus web protection and VPNs.
  • Try another network.

Fixes on Mac

  1. Remove interfering software

    1. Pause security tools and VPNs; check System Settings › General › Login Items & Extensions › Network Extensions for filters.

  2. Clear Chrome's sockets

    1. Flush chrome://net-internals/#sockets and clear cached files.

Fixes on Windows

  1. Check antivirus and reset network

    1. Antivirus HTTPS scanning is the most common cause on Windows; turn it off to test.
    2. Run netsh winsock reset and restart.

Other devices

  1. Router

    1. Restart the router; check parental controls.

Still not working?

If one site aborts on every device, the server may be rejecting the request, for example an oversized upload or a web application firewall rule. Site owners should check WAF and server logs.

See what’s happening

LightAtom's connections view shows connections ending abruptly and which process opened them.

Frequently asked questions

What does ERR_CONNECTION_ABORTED mean?

A connection was terminated before completing. It's often triggered locally by security software or a VPN, rather than by the website.

Is ERR_CONNECTION_ABORTED the same as RESET?

They're similar. ABORTED often originates on your own machine; RESET is a reset packet usually from the server or network.

Why did this error become more common?

More security tools and VPNs now inspect connections, and each can abort ones it dislikes. Check which ones you run.

Related errors and tools

Related

LightAtom team

The people who build LightAtom, a network monitor for macOS.