TLDR open port forward window to solve this issue(maybe just in my case) Where does the bug appear (feature/product)? Cursor IDE Describe the Bug Connection failed. If the problem persists, please check your internet connection or VPN Steps to Reproduce The root cause is unknown, but the issue c…

Hey, thanks for the report and for sharing your workaround. The port forwarding window fix is pretty unusual, so let’s try a few standard steps to see if we can sort this out more reliably. Quick things to try: Disable HTTP/2 (most common fix): Press Ctrl+, → search for “HTTP/2” → enable “Disabl…

I replicated the situation (I can’t use cursor --disable-extensions because I need to connect to a remote Windows host), and I found that when I open this repository, the cursor’s status bar disappears—the very bottom one

It has nothing to do with the port forwarding window, as long as you don’t open the terminal window.

Thanks for the additional details - this helps narrow it down to an interaction between the terminal and extensions in your remote Windows environment. Since you can’t run cursor --disable-extensions on the remote machine, could you help us debug this with a few diagnostic steps? Diagnostic steps: …

[image] [image] I’am working on I’am working on d:\database\... Context: { "arch": "x64", "platform": "win32", "client_version": "2.1.34", "requestId": "74bd38c2-cab5-4b5a-801e-337b68d14639" } Error Log: workbench.desktop.main.js:4065 [composer] submitChatMaybeAbortCurrent errored! Er…

Solve "Connection failed. If the problem persists, please check your internet connection or VPN"

Support Bug Reports

Topic		Replies	Views
"Connection failed" Bug Reports	8	243	January 8, 2026
Connection Error - Connection failed Bug Reports	4	626	November 20, 2025
Cursor fails to connect or do anything Bug Reports	12	759	December 4, 2025
Connection failed. If the problem persists, please check your internet connection or VPN Premature close [unknown] Bug Reports	5	1284	July 22, 2025
Constant connection error Bug Reports	3	259	December 6, 2025

Solve "Connection failed. If the problem persists, please check your internet connection or VPN"

Related topics