I cant' us cursor

Support Bug Reports
1

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

I want to use cursor, this is my first time using it but when I ask agents, I have this error:
Internal Error
An unexpected error occurred on our servers. Please try again, or contact support if the issue persists.

Steps to Reproduce

I don’t know

Operating System

Windows 10/11

Version Information

I don’t know

Does this stop you from using Cursor

Yes - Cursor is unusable

3

Hey, thanks for the report. Let’s try a few things:

  1. Open Cursor Settings > Network > Run Diagnostics and send me the results.
  2. Try signing out and back in: Cursor Settings > Sign Out, then sign in again.
  3. Try disabling HTTP/2: open App Settings Ctrl + , > search for “HTTP/2” > turn on “Disable HTTP/2”, then restart Cursor.

I also need a bit more info to troubleshoot:

  • Cursor version (Help > About Cursor > Copy)
  • Which model are you using?
  • The Request ID for the failed request: click the menu in the top-right of the chat panel > Copy Request ID
  • Are you on a work or school network, or using a VPN?

Let me know how it goes.

5

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Request ID: 45a2f05c-bded-4834-8beb-e6a64b7f57bd
[internal] unable to get local issuer certificate
mie: [internal] unable to get local issuer certificate
at P5A (vscode-file://vscode-app/c:/Users/lzahir/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:34267:23755)
at B5A (vscode-file://vscode-app/c:/Users/lzahir/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:34267:22658)
at $5A (vscode-file://vscode-app/c:/Users/lzahir/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:34268:6285)
at Wou.run (vscode-file://vscode-app/c:/Users/lzahir/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:34268:10400)
at async $Oa.runAgentLoop (vscode-file://vscode-app/c:/Users/lzahir/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:46832:10024)
at async n5u.streamFromAgentBackend (vscode-file://vscode-app/c:/Users/lzahir/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:46886:9277)
at async n5u.getAgentStreamResponse (vscode-file://vscode-app/c:/Users/lzahir/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:46886:13663)
at async bMe.submitChatMaybeAbortCurrent (vscode-file://vscode-app/c:/Users/lzahir/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:34329:17597)
at async Object.Ea [as onSubmit] (vscode-file://vscode-app/c:/Users/lzahir/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:45811:4826)
at async vscode-file://vscode-app/c:/Users/lzahir/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:45785:56633

I am on work I think this laptop has restrictions?

6

@deanrie

7

I can see from the diagnostics what’s going on. Capgemini’s corporate network is intercepting SSL traffic, you can tell from the certificate ztnzia-internet.capgemini.com. Because of this, Cursor can’t set up a trusted connection to our servers.

This needs to be handled by Capgemini IT. Ask them to do one of these:

Option 1 (best): Exclude Cursor domains from SSL inspection:

  • *.cursor.sh
  • *.cursor-cdn.com
  • *.cursorapi.com

Option 2: If bypass isn’t possible, add Capgemini’s root certificate to trusted certificates. In Cursor go to App Settings Ctrl + , search for http.systemCertificates, and make sure it’s enabled. Cursor should pick up system certificates automatically, but if the corporate CA isn’t installed correctly on the machine, this won’t help.

Also disable HTTP/2, your ALPN handshake isn’t working either. In App Settings search for “HTTP/2”, enable “Disable HTTP/2”, then restart Cursor.

If you can’t reach IT or they can’t help, try connecting through a personal network (mobile hotspot or home Wi‑Fi) to confirm Cursor works outside the corporate network.

Let me know how it goes.