Connection error after updating to latest

Support Bug Reports
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1

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

Connection error over and over after updating to latest version.

Tried VPN on/off, all HTTP version, renaming the project… Nothing helps.

Steps to Reproduce

Opening Cursor and trying to use it…

Expected Behavior

No connection error

Screenshots / Screen Recordings

Screenshot 2026-01-27 at 14.03.25.png
Screenshot 2026-01-27 at 14.03.25.png1018×990 55.1 KB

Operating System

MacOS

Version Information

Version: 2.4.21
VSCode Version: 1.105.1
Commit: dc8361355d709f306d5159635a677a571b277bc0
Date: 2026-01-22T16:57:59.675Z

Does this stop you from using Cursor

Yes - Cursor is unusable

3

Hey @Gyomorei_Barna

When you hit “Run Diagnostics”, you should also be able to Show Logs. Can you share those logs here?

4

DNS

[2026-01-27T12:59:17.368Z] Host: api2.cursor.sh
[2026-01-27T12:59:17.368Z] Servers: 100.64.0.2
[2026-01-27T12:59:17.368Z] Error: Error: getaddrinfo ENOTFOUND api2.cursor.sh
[2026-01-27T12:59:17.369Z] Error: Error: getaddrinfo ENOTFOUND api2.cursor.sh
[2026-01-27T12:59:17.396Z] Error: Error: getaddrinfo ENOTFOUND api2.cursor.sh
[2026-01-27T12:59:17.408Z] Error: Error: getaddrinfo ENOTFOUND api2.cursor.sh
[2026-01-27T12:59:17.418Z] Host: api2.cursor.sh
[2026-01-27T12:59:17.418Z] Servers: system
[2026-01-27T12:59:17.418Z] Error: Error: net::ERR_NAME_NOT_RESOLVED
[2026-01-27T12:59:17.438Z] Error: Error: net::ERR_NAME_NOT_RESOLVED
[2026-01-27T12:59:17.442Z] Error: Error: net::ERR_NAME_NOT_RESOLVED
[2026-01-27T12:59:17.443Z] Error: Error: net::ERR_NAME_NOT_RESOLVED
[2026-01-27T12:59:17.443Z] Result: Error: net::ERR_NAME_NOT_RESOLVED

SSL

\[2026-01-27T12:59:17.358Z\] Start
\[2026-01-27T12:59:17.368Z\] Error: getaddrinfo ENOTFOUND api2.cursor.sh in 10ms

API

\[2026-01-27T12:59:17.359Z\] Start
\[2026-01-27T12:59:17.394Z\] Error: ConnectError: \[unavailable\] getaddrinfo ENOTFOUND api2.cursor.sh

ping

\[2026-01-27T12:59:17.359Z\] Sending ping 1
\[2026-01-27T12:59:17.394Z\] Error: ConnectError: \[unavailable\] getaddrinfo ENOTFOUND api2.cursor.sh

chat

\[2026-01-27T12:59:17.359Z\] Starting streamSSE
\[2026-01-27T12:59:17.395Z\] Error: ConnectError: \[unavailable\] getaddrinfo ENOTFOUND api2.cursor.sh

agent

\[2026-01-27T12:59:17.359Z\] Starting stream
\[2026-01-27T12:59:17.359Z\] Pushing first message
\[2026-01-27T12:59:17.395Z\] Error: ConnectError: \[unavailable\] getaddrinfo ENOTFOUND api2.cursor.sh
5

Thanks.

This may be an issue with Cursor, or it may be an issue with network connectivity on your machine.

A basic test would be entering api2.cursor.sh into your browser. Do you receive a message like:

Welcome to Cursor. From 20260127-115826-main-989023e65fec1788c10e58fc7687f56d0dc24235?

Or an error?

6

This is what I get:

Welcome to Cursor. From 20260127-115826-main-989023e65fec1788c10e58fc7687f56d0dc24235 (hrvqa4jv29onjhukyesos8) in 0.006310000084340572ms.
7

Thanks!

I’d also suggest that you walk through these steps in our documentation on Network Connectivity. I would have suggested these docs before, but they’re actually new to me! Do all these tests pass?

8

I found the issue. Little Snich is installed on my machine. After Cursor update, for some reason it started to filter out anything other than the browser request to api2.cursor.sh.

Thanks for the help!

1 Like