openai / openai/codex

Windows Agent Build Blocked by Unidentified Policy

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#43,629 2 comments 0 reactions 0 assignees View on GitHub

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bug sandbox tool-calls windows-os
Dominant language
Rust
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Description

Error: exec_command failed: CreateProcess; rejected: blocked by policy
Call: call_SUPxi9zq78LDiVQgPZwFUq7G
Time: 2026-09-07T01:56:05.816Z
Please identify the enforcing rule and authorized resolution.

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

Start with the Windows agent build path that invokes exec_command and reproduce the logged CreateProcess rejection using the call identifier in the report. No file or test is named, so trace which policy decision handles the rejection. Done means identifying the enforcing rule and documenting the authorized resolution.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
build-system, operating-systems, security
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
28/100

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