Hey, thanks for the report. This is a known issue on Windows. The Electron renderer process hits a ~4 GB memory limit and crashes, no matter how much RAM your system has. The team is aware and tracking it, but we don’t have an ETA for a fix yet.
For now, here are a few workarounds that have helped other users:
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Rotate chats: don’t stay in the same chat for long sessions. Once the context gets big, start a new chat.
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Check for an OTEL leak: open
Ctrl+Shift+P> Developer: Toggle Developer Tools > Console, then look for lines like[otel.error]orOTLPExporterError. If you see them, that’s a separate memory leak that makes this worse. -
Monitor memory:
Ctrl+Shift+P> Developer: Open Process Explorer. Keep an eye on the renderer process.
Related threads for context:
- Renderer OOM crash (code -536870904) every ~3 minutes on Windows — 128GB RAM, reproducible
- Cursor crashes repeatedly with out-of-memory (OOM) errors after the latest update, especially during large prompts or long-running plans
Let me know if you see any OTEL errors in the console. That will help narrow down the cause.