openai / openai/codex

[Windows][Desktop] Browser/Chrome sandbox helper fails before page execution

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app browser bug sandbox windows-os
Dominant language
Rust
Stars
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Forks
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PR merge metrics
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Description

Summary

The built-in Browser/Chrome runtime in the Codex Windows desktop app fails before opening any page.

Exact error:

windows sandbox failed: helper_unknown_error: setup refresh had errors

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the failure in the Windows desktop app using the built-in Browser/Chrome runtime, then trace the sandbox helper's setup refresh path. Done means the runtime opens a page without reporting "helper_unknown_error" before page execution.

Written by the indexing model from the issue text.

Assessment

Domain
desktop, security
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
35/100

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