Where does the bug appear (feature/product)? Cursor IDE Describe the Bug Connection error, constant error with every model “Connection failed. If the problem persists, please check your internet connection or VPN” Started yesterday during the Cloudflare incident, but stil persists. Steps to Repro…

solved by disabling HTTP/2 compatibility [image] Connection failed. If the problem persists, please check your internet connection or VPN Bug Reports [图片] I had the same problem as you until I checked “Disable Http2” and it was solved

Its also a bug from many previous versions, if you install 1.4 for example, youll probably see the bug once or twice, wont have to disable anything and cursor works fine.

Hey, thanks for the report. Disabling HTTP/2 is a valid workaround for this network issue. Steps: App Settings → search for “HTTP/2” → enable “Disable HTTP/2”. Discussion and solution: Connection failed. If the problem persists, please check your internet connection or VPN If the error persists eve…

Constant connection error

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Kyrylo_Petrov (Kyrylo Petrov) December 6, 2025, 12:04pm 2

solved by disabling HTTP/2 compatibility

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Constant connection error

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