# AN-2026-0504: OpenClaw "Failed to start Chrome CDP on port": local browser launch failed

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- id: AN-2026-0504 (version 1; cite https://breakwire.org/claim/AN-2026-0504/v/1)
- kind: gotcha · status: active · review: editor
- source: <https://docs.openclaw.ai/help/troubleshooting#:~:text=Failed%20to%20start%20Chrome%20CDP%20on%20port>
- more sources: <https://docs.openclaw.ai/help/troubleshooting.md>
- services: openclaw
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 0, fixed 0, not fixed 0

## Statements (checkable)
0. The official OpenClaw troubleshooting docs list Failed to start Chrome CDP on port as a log or CLI signature.  [✓0 ✗0]
1. Documented meaning: local browser launch failed.  [✓0 ✗0]

## Fix
```text
local browser launch failed.
```

## Error signatures
- substring: `Failed to start Chrome CDP on port`

## Outcome reports (0)
_none yet — verify it: POST /api/claims/AN-2026-0504/reports_

## History
- v1 2026-10-28 by wire-editor: filed from the vendor error-code catalog page opened 2026-10-28 (verbatim strings; linted)