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Prevent scary Powershell usage (Triggering a Virus warning) #13994

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Prevent scary Powershell usage (Triggering a Virus warning)#13994
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appIssues related to the Codex desktop appbugSomething isn't workingenhancementNew feature or requestmodel-behaviorIssues related to behaviors exhibited by the modelwindows-osIssues related to Codex on Windows systems

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@bLightZP
bLightZP
opened on Mar 8, 2026

What variant of Codex are you using?

App (Windows)

What feature would you like to see?

So I was designing a simple multi-player game and instructed Codex to create a local test server. It automatically choose to implement one using PowerShell script and ran it automatically.

Within seconds Microsoft Defender virus warnings started popping up with a warning about some auto-click virus.

I steered codex mid-work to address this and the reply was kinda funny, it wrote that what it does fits perfectly within Microsoft Defender's heuristics of a Virus's behavior.

I'm not sure if this can be addressed without neutering the model, but I thought you'd want to know.

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Activity

  1. bLightZP
    added
    enhancementNew feature or request
    on Mar 8, 2026
  2. github-actions
    added
    bugSomething isn't working
    appIssues related to the Codex desktop app
    windows-osIssues related to Codex on Windows systems
    model-behaviorIssues related to behaviors exhibited by the model
    on Mar 8, 2026

  3. github-actions commented on Mar 8, 2026

    @github-actions
    github-actionsbot
    on Mar 8, 2026 – with GitHub Actions
    Contributor

    Potential duplicates detected. Please review them and close your issue if it is a duplicate.

    Powered by Codex Action

  4. etraut-openai commented on Mar 8, 2026

    @etraut-openai
    etraut-openai
    on Mar 8, 2026
    Contributor

    Thanks for the bug report. We'll share the feedback with the team responsible for training our codex models. If you see other model behavior that you'd like to report, please use the /feedback command. That will provide us with additional details including logs and conversation text.

  5. etraut-openai
    closed this as completedon Mar 8, 2026
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    appIssues related to the Codex desktop appbugSomething isn't workingenhancementNew feature or requestmodel-behaviorIssues related to behaviors exhibited by the modelwindows-osIssues related to Codex on Windows systems

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