ERR_NETWORK_CHANGED trancates copilot suggestions in VSCode Chat

[pjgorski]

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Bug

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Each time I ask a question in VSCode Copilot Chat, the answer is not full and is truncated with the following error message:

Please check your firewall rules and network connection then try again. Error Code: net::ERR_NETWORK_CHANGED.

When I repeat a question, the answer is truncated in a different moment, sometimes immediately, sometimes after a long Copilot output.

I don't have a personal firewall. My institution might have something. But for my colleague on the desk next to me, copilot works without a flaw. I'm using VSCode 1.93.1 on Ubuntu 24. Thank you for help!

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[jbosse]

Suddenly I am receiving this on almost every request.

Sorry, your request failed. Please try again. Request id: cfccd189-417a-4339-8f4a-87553827c9a8
Reason: Please check your firewall rules and network connection then try again. Error Code: net::ERR_NETWORK_CHANGED.

[Not-A-Normal-Robot]

This only happens when my VPN is enabled?

Sorry, your request failed. Please try again. Request id: 92d0b703-9523-4fe7-8e59-86ca638d663e

Reason: Please check your firewall rules and network connection then try again. Error Code: net::ERR_NETWORK_CHANGED.

[knotbin]

This happens on every request for me. Cursor or Copilot in Zed both have no issues with it but Copilot in VS Code always does

[PhungXuanAnh]

I have the same issue, event my network is stable

[FranciscoCabello]

I have the same exact issue, even my quota is only at 60% usage, my network stable, etc.

[andreadeangelis2002]

Same here! Even using different networks!

[andreadeangelis2002]

Try have a look here: https://www.reddit.com/r/GithubCopilot/comments/1mubbwe/err_network_changed_githubcopilotchat_in_vsc/