Connection Failed Error - Not able to work

Support Bug Reports
1

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Hi my orginization is on Pro plan.
I have been using cursor from past 6 months without any issues.
However from past 4-5 days I am constanly getting connection failed issues on wifi and mobile data both,
I have disabled http2.
I have disabled IPv6 as well
I am not able to work.

2

Hey, thanks for the report.

I see you’ve already disabled HTTP/2 and IPv6. Let’s try a bit more diagnostics:

Quick checks:

  1. Settings → Network → Run Diagnostics. Please share a screenshot of the results.
  2. Settings → Tools & MCP. If you have any MCP servers configured, try disabling them temporarily. One user fixed it this way: Repeatedly says connection issue when my connection is fine
  3. Are you using a corporate VPN, proxy, or SSL inspection (Zscaler, etc.)? If so, please try without them.
  4. Launch Cursor with extensions disabled: cursor --disable-extensions, then try starting a new chat.

Please also share:

  • A screenshot of Network Diagnostics
  • Any errors from Help → Toggle Developer Tools → Console

Let me know what the diagnostics show.