# Cannot connect to cursor server. no reply from agent. network error

**URL:** <https://forum.cursor.com/t/cannot-connect-to-cursor-server-no-reply-from-agent-network-error/133085>\
**Category:** Bug Reports\
**Created:** [September 10, 2025, 10:47am UTC](https://forum.cursor.com/t/cannot-connect-to-cursor-server-no-reply-from-agent-network-error/133085 "2025-09-10T10:47:06Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Anubhav\_Rawat](https://avatars.discourse-cdn.com/v4/letter/a/eb9ed0/32.png) [@Anubhav\_Rawat](https://forum.cursor.com/u/Anubhav_Rawat)\
**Post date:** [September 10, 2025, 10:47am UTC](https://forum.cursor.com/t/cannot-connect-to-cursor-server-no-reply-from-agent-network-error/133085/1 "2025-09-10T10:47:06Z")

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### Where does the bug appear (feature/product)?

Cursor IDE

### Describe the Bug

— req info —

Request ID: 620d5580-42c8-41b9-905f-46bac57b0a9b  
ConnectError: [unknown] Network disconnected  
at iol.$streamAiConnect (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:4814:318523)  
at async vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:579:193529  
at async Ngn.toolWrappedStream (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:3221:18751)  
at async hSs (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:579:216128)  
at async xR.handleStreamComposer (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:1449:993)  
at async WUs.streamResponse (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:5440:24669)  
at async mHs. (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:5528:7342)  
at async rHs. (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:5505:966)  
at async aHs. (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:5524:3014)  
at async uHs. (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:5524:10738)  
at async twe. (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:1544:7329)  
at async SZ.processCodeBlocks (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:1500:3713)  
at async hre.submitChatMaybeAbortCurrent (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:4292:5977)  
at async yr (vscode-file://vscode-app/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:4584:88696)

### Steps to Reproduce

Initiate chat in agent or chat mode.

### Expected Behavior

should get reply

### Operating System

Linux

### Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.5.11  
VSCode Version: 1.99.3  
Commit: 2f2737de9aa376933d975ae30290447c910fdf40  
Date: 2025-09-05T03:48:32.332Z  
Electron: 34.5.8  
Chromium: 132.0.6834.210  
Node.js: 20.19.1  
V8: 13.2.152.41-electron.0  
OS: Linux x64 6.14.0-29-generic

### For AI issues: add Request ID with privacy disabled

auto mode

### Does this stop you from using Cursor

Yes - Cursor is unusable

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<div class="post-metadata">

**Author:** ![deanrie](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/deanrie/32/1263_2.png) [@deanrie](https://forum.cursor.com/u/deanrie)\
**Post date:** [September 10, 2025, 1:33pm UTC](https://forum.cursor.com/t/cannot-connect-to-cursor-server-no-reply-from-agent-network-error/133085/2 "2025-09-10T13:33:58Z")

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Hey, thanks for the report. Could you let me know if this also happens in a new chat? Is everything okay with your network? Are you using a VPN or proxy? Also, please run a network diagnostic.

 ![image](https://us1.discourse-cdn.com/cursor1/original/3X/8/5/85f1a5043ffd343821dd63865fcb09ca6a120b0f.png)

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<div class="post-metadata">

**Author:** ![system](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/system/32/99069_2.png) [@system](https://forum.cursor.com/u/system)\
**Post date:** [October 2, 2025, 1:34pm UTC](https://forum.cursor.com/t/cannot-connect-to-cursor-server-no-reply-from-agent-network-error/133085/3 "2025-10-02T13:34:53Z")

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