ERR_SOCKET_SET_SEND_BUFFER_SIZE_ERROR -161

Net error -161

BROWSER

Failed to set the socket's send buffer size as requested.

Browser error page with a network error code and a checklist of likely causes
Browser network errors: rule out your connection first, then the site.

What it means

ERR_SOCKET_SET_SEND_BUFFER_SIZE_ERROR is a Browser error code reported by Google Chrome, Microsoft Edge and other Chromium browsers. Its official message is: “Failed to set the socket's send buffer size as requested.”

How to fix ERR_SOCKET_SET_SEND_BUFFER_SIZE_ERROR

  1. Reload the page once — single transient failures heal themselves immediately
  2. Flush DNS: 'ipconfig /flushdns' on Windows, 'dscacheutil -flushcache' on macOS
  3. Disable VPN, proxy settings and your antivirus web shield, then retry
  4. Test the same page from mobile data or another device to isolate YOUR setup from the site
  5. Bypass performance extensions: open a private window, disable ad-blockers and retry

Related errors

ERR_SOCKET_SET_RECEIVE_BUFFER_SIZE_ERRORERR_SOCKET_NOT_CONNECTEDERR_SOCKET_RECEIVE_BUFFER_SIZE_UNCHANGEABLEERR_SOCKET_SEND_BUFFER_SIZE_UNCHANGEABLEERR_SSL_UNRECOGNIZED_NAME_ALERTERR_SSL_CLIENT_AUTH_CERT_BAD_FORMATERR_SSL_SERVER_CERT_CHANGED

Source: Chromium net_error_list.h

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