The cursor AI chat is not working

Support Bug Reports
2

Hey, thanks for the report.

This looks like a known HTTP/2 issue. Please try these steps:

  1. Settings Ctrl+,. Search for “HTTP/2”, enable “Disable HTTP/2”, restart Cursor, and test again in a new chat.
  2. Settings > Network > Run Diagnostics, then send a screenshot of the results.
  3. Are you using a VPN or proxy, or do you have any MCP servers connected? Please try disabling them.

If the issue persists, please send:

  • The Request ID from the error popup (if shown)
  • Help > Toggle Developer Tools > Console, plus a screenshot of any errors

Similar resolved reports: