Cursor loses connection

[Gene_Shadrin]

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

Suddenly, Cursor started losing connection. I upgraded to v. 1.7.54 yesterday, it was running normally till tonight.

Steps to Reproduce

I did not notice any specific condition that would reproduce the error. It was initially investigating the muxer error from FFmpeg but this error occurs on any request that I make.

Expected Behavior

Cursor was supposed to bring the answer

Screenshots / Screen Recordings

Operating System

Windows 10/11

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.7.54 (user setup)
VSCode Version: 1.99.3
Commit: 5c17eb2968a37f66bc6662f48d6356a100b67be0
Date: 2025-10-21T19:07:38.476Z
Electron: 34.5.8
Chromium: 132.0.6834.210
Node.js: 20.19.1
V8: 13.2.152.41-electron.0
OS: Windows_NT x64 10.0.26100

For AI issues: which model did you use?

claude-4.5-sonnet

For AI issues: add Request ID with privacy disabled

Request ID: 48c8b6bf-a58c-457f-a06f-aee22d6a221d

Does this stop you from using Cursor

Yes - Cursor is unusable

[condor]

hi @Gene_Shadrin and welcome to Cursor Forum. Thank you also for the detailed bug report.

Could you please check Settings > Network > Run Diagnostic and report any errors shown there.

[Gene_Shadrin]

I ran the network diagnostics, and

everything is OK (see the image). All other apps on my computer run without any issues.

[condor]

Thank you for the details we are looking into the issue.

[Gene_Shadrin]

Hello Sam and the team! Do you have any resolution on this problem?

Thanks,
Gene

[Gene_Shadrin]

It looks like everything is working normally now. I appreciate your support!
Gene