My cursor agent chat is not working. Getting Stucked whenever I give a prompt and showing as - Taking Longer Than Expected message

Have installed the latest version of cursor…still cursor agent chat is frozen and generating any responses.

Its giving Connection Error in the cursor agent chat as mentioned in attached screenshot

Version: 3.15.19 (user setup)
VS Code Extension API: 1.128.0
Commit: de07bee81cefe43461ebf4f40c3d2d78d15052a0
Date: 2026-08-11T05:22:54.627Z
Layout: IDE
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.291
OS: Windows_NT x64 10.0.26100

Request ID- Request ID: 7501d5df-a8c7-40e4-a21e-b3ea25abc7f4
[unavailable] HTTP 503
RetriableError: [unavailable] HTTP 503
at $Dg (vscode-file://vscode-app/c:/Users/u1220760/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:7209:117525)
at e4s (vscode-file://vscode-app/c:/Users/u1220760/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:7209:116023)
at sRg (vscode-file://vscode-app/c:/Users/u1220760/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:7210:12878)
at Object.classify (vscode-file://vscode-app/c:/Users/u1220760/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:7210:17450)
at XDg (vscode-file://vscode-app/c:/Users/u1220760/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:7210:5856)
at async m4s.run (vscode-file://vscode-app/c:/Users/u1220760/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:7210:16802)
at async Yoe.runAgentLoop (vscode-file://vscode-app/c:/Users/u1220760/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:7349:34561)
at async mmo.streamFromAgentBackend (vscode-file://vscode-app/c:/Users/u1220760/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:15027:14762)
at async mmo.getAgentStreamResponse (vscode-file://vscode-app/c:/Users/u1220760/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:15027:32107)
at async zTe._submitChatMaybeAbortCurrent (vscode-file://vscode-app/c:/Users/u1220760/AppData/Local/Programs/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:7316:2568)

Hi there!

We detected that this may be a bug report, so we’ve moved your post to the Bug Reports category.

To help us investigate and fix this faster, could you edit your original post to include the details from the template below?

Bug Report Template - Click to expand

Where does the bug appear (feature/product)?

  • Editor, Tab & Chat (autocomplete, Composer, in-editor agent)
  • Terminal & commands
  • Models, pricing & API keys (availability, Auto/Max, BYOK/Bedrock)
  • MCP & tools
  • Cloud Agents & Automations (cursor.com/agents, scheduled/event)
  • BugBot & Code Review
  • Cursor CLI
  • Cursor Mobile
  • Remote (SSH / Dev Containers / WSL)
  • Account, billing & login
  • Something else…

Describe the Bug
A clear and concise description of what the bug is.


Steps to Reproduce
How can you reproduce this bug? We have a much better chance at fixing issues if we can reproduce them!


Expected Behavior
What is meant to happen here that isn’t working correctly?


Screenshots / Screen Recordings
If applicable, attach images or videos (.jpg, .png, .gif, .mp4, .mov)


Operating System

  • Windows 10/11
  • MacOS
  • Linux

Version Information

  • For Cursor IDE: Menu → About Cursor → Copy
  • For Cursor CLI: Run agent about in your terminal
IDE:
Version: 2.xx.x
VSCode Version: 1.105.1
Commit: ......

CLI:
CLI Version 2026.01.17-d239e66

For AI issues: which model did you use?
Model name (e.g., Sonnet 4, Tab…)


For AI issues: add Request ID with privacy disabled
Request ID: f9a7046a-279b-47e5-ab48-6e8dc12daba1
For Background Agent issues, also post the ID: bc-…


Additional Information
Add any other context about the problem here.


Does this stop you from using Cursor?

  • Yes - Cursor is unusable
  • Sometimes - I can sometimes use Cursor
  • No - Cursor works, but with this issue

The more details you provide, the easier it is for us to reproduce and fix the issue. Thanks!

I am also consistently experiencing this error with the latest version of cursor.