After I remove past chat from the context, it worked out but losing context, too. 
I am very upset about this error. I can’t imagine that the solution to this problem is to clear the chat history.
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Found the fix. I was on Linux Mint - and I read a lot of comments from other Cursor peeps but my fix was, log into Cursor, go to settings then look for active sessions (it was Cursor - The AI Code Editor at my time of testing), remove cursor App from desktop, start a NEW chat in cursor… it will log you back in, then you can go back to your old chat… Happy vibe coding Cursorlites … found a really cool Ai prompting technique today I asked cursor to integrate my python and curl apps into Streamlit - and it literally made me a GUI app so I do not need to run any commands, enter proxies, upload spreadsheets blew my mind!!! It is taking Vibe Coding to a new level
No worry with ur contribtion buddy 
thank you so much
Tried removing sessions, restarting - it works (Cursor relogins) but for maximum 1 hour.
2 workspaces - one with Linux kernel, one with QEMU, paid for “pro”, Cursor 1.1.6, why is it doing it?
And when it fails, what to test in the network? Ping, wget, what exacly? Thanks,
Still an issue. After a few minutes, shows another error:
Request ID: 4734d1da-0ac6-4551-9b1b-a03634f6f1ed
ConnectError: [unknown] No response from model
at cie.submitChatMaybeAbortCurrent (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:2072:22878)
at async At (vscode-file://vscode-app/Applications/Cursor.app/Contents/Resources/app/out/vs/workbench/workbench.desktop.main.js:4019:18803)
I started getting this issue only recently. The past week or two has been horrible, the error pops up several times a day. But before, it worked just fine without any issues with and without VPN. So I suspect it’s a recent change that’s causing this issue.
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I also started having this issue at exponentially higher rates this past week. It turned out to be the latest version 1.2.4 which is the root cause. Switched back to 1.2.1 (latest appimage available for linux officially is this one) and it looks good until now
Thanks so much bro
Thanks to this error and no support, I moved to windsurf and not looking back now
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Cursor setting - Network - Change THe HTTP Compatibility Mode to HTTP/1.1 And you’ll come back thanks me. XD
I think you only solve 1 problem, but like me i need to change to HTTP compatability mode to HTTP/1.1 and switch off my NordVPN connection, i have no idea the problem is from Cursor / NordVPN side.
Solution: Extension Conflict Resolution
I had the same issue and resolved it by uninstalling the Copilot extension. Here’s the fix:
-
Check Extensions Tab - Look for any extensions showing warnings or error indicators
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Uninstall Problematic Extensions - In my case, Copilot was displaying a warning, so I uninstalled it
-
Restart Cursor - The issue resolved after removal
Alternative Troubleshooting:
-
Run
cursor --disable-extensionsfrom command line to test if extensions are causing issues -
If problems resolve, re-enable extensions one by one to identify the specific culprit
-
Use Extension Monitor (Settings > Application > Experimental) to check resource usage
Extension conflicts are a common cause of Cursor issues. Always check the Extensions tab first for warnings before trying more complex solutions.
I have an update. i have been experiencing the connection issue since the start of Aug. However, i think some how the problem may comes from i haven’t start any new chat for the project. And the model always take a large amount of times to summarize the context for itself. Then maybe exceed the context windows of the model (i am using the auto model) since the project grows. There may not be actually having a connection problem. But cursor or the model lacks the ability to tell the user on these circumstances.
(Request ID: 6960cec0-80f6-4363-a14d-abead7b5aa9c)
please
thank you
i did this and suddenly the chat starts working…
i dont know what cause this error and how it fixed 
thanks for this little hint.
Connection failed. If the problem persists, please check your internet connection or VPN
No response from model [unknown]
(Request ID: 06ee1ed4-f1cf-443f-8940-7bdfffb644ee)
Hey, which model are you using? Also, let me know which version of Cursor you are using. Does this also happen in new chats?