Hey, thanks for the report. This is a known issue on some networks with HTTP/2.
What you can do now:
- Keep HTTP/2 disabled: App Settings
CTRL+,→ search “HTTP/2” → enable “Disable HTTP/2”. Details and confirmation of the fix: Connection failed. If the problem persists, please check your internet connection or VPN - #4 by Worry
To help us dig deeper, please share:
- Screenshot of Settings → Network → Run Diagnostics
- Network type: VPN/proxy/corporate network, whether Zscaler/Cloudflare/TLS-intercept is present
- Behavior on another network without VPN/proxy
- Console errors from Help → Toggle Developer Tools
- New Request IDs from failed requests
Docs for common issues: Common Issues | Cursor Docs
Let me know if keeping HTTP/2 disabled is stable. I’ll forward the case to the team once I have these details.