Error while using IDE

[William_Daniel]

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

Very often i’m getting error on IDE that stuck my chat and I need to open a new one

Request ID: 6c8ebf7e-e5f1-43b3-8618-3638d5b91a55
An unexpected error occurred.

Steps to Reproduce

Start a conversation, keep asking for changes or talking, and some time later, will appear

Expected Behavior

Dont show a error message forcing me to start a new conversation

Screenshots / Screen Recordings

Operating System

Windows 10/11

Version Information

Version: 3.11.19 (user setup)
VS Code Extension API: 1.125.0
Commit: bf249e6efb5b097f23d7e21d7283429f0760b740
Date: 2026-07-12T21:39:24.175Z
Layout: Agent Window
Build Type: Stable
Release Track: Default
Electron: 40.10.3
Chromium: 144.0.7559.236
Node.js: 24.15.0
V8: 14.4.258.32-electron.0
xterm.js: 6.1.0-beta.256
OS: Windows_NT x64 10.0.19045

For AI issues: which model did you use?

Cursor Grok 4.5

For AI issues: add Request ID with privacy disabled

6c8ebf7e-e5f1-43b3-8618-3638d5b91a55

Does this stop you from using Cursor

Sometimes - I can sometimes use Cursor

[deanrie]

Hey, thanks for the report. I see the screenshot with the error “An unexpected error occurred” and the Request ID.

Based on that Request ID, the request never reached our servers. This looks like a dropped connection that the chat uses for streaming. Because of that, the session can’t be restored, so it suggests starting a new chat. Let’s try this order:

1. Cursor Settings > Network > switch HTTP Compatibility Mode to HTTP/1.1, then fully restart Cursor.
2. In the same place, run Run Diagnostics and check if everything is green.
3. If you’re using a VPN or a corporate proxy, try without them.
4. Make sure you’re on the latest version of Cursor.

If it keeps happening, send 2 to 3 more Request IDs with Privacy Mode turned off so we can confirm whether requests are reaching the backend. Let me know how it goes.