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codex - 💡(How to fix) Fix windows sandbox: runner error: CreateProcessAsUserW failed: 5

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Error Message

I’ll use the clean-js-ts and general-code guidance here, then inspect the Vite plugin and make the smallest change that disables it during SSR.

• Running Get-Content -Path docs\vite\importMap.plugin.ts

• Running Get-Content -Path C:\Users\hugoa.codex\skills\clean-js-ts\SKILL.md

• Ran Get-Content -Path C:\Users\hugoa.codex\skills\general-code\SKILL.md └ execution error: Io(Custom { kind: Other, error: "windows sandbox: runner error: CreateProcessAsUserW failed: 5" })

• Ran Get-Content -Path docs\vite\importMap.plugin.ts └ execution error: Io(Custom { kind: Other, error: "windows sandbox: runner error: CreateProcessAsUserW failed: 5" })

• Ran Get-Content -Path C:\Users\hugoa.codex\skills\clean-js-ts\SKILL.md └ execution error: Io(Custom { kind: Other, error: "windows sandbox: runner error: CreateProcessAsUserW failed: 5" })

Code Example

not available

---

I’ll use the clean-js-ts and general-code guidance here, then inspect the Vite plugin and make the smallest change that disables it during SSR.

• Running Get-Content -Path docs\vite\importMap.plugin.ts

• Running Get-Content -Path C:\Users\hugoa\.codex\skills\clean-js-ts\SKILL.md

• Ran Get-Content -Path C:\Users\hugoa\.codex\skills\general-code\SKILL.md
  └ execution error: Io(Custom { kind: Other, error: "windows sandbox: runner error: CreateProcessAsUserW failed: 5" })

• Ran Get-Content -Path docs\vite\importMap.plugin.ts
  └ execution error: Io(Custom { kind: Other, error: "windows sandbox: runner error: CreateProcessAsUserW failed: 5" })

• Ran Get-Content -Path C:\Users\hugoa\.codex\skills\clean-js-ts\SKILL.md
  └ execution error: Io(Custom { kind: Other, error: "windows sandbox: runner error: CreateProcessAsUserW failed: 5" })
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What version of Codex CLI is running?

codex-cli 0.130.0

What subscription do you have?

Business

Which model were you using?

gpt-5.5 xhigh fast

What platform is your computer?

Microsoft Windows NT 10.0.26200.0 x64

What terminal emulator and version are you using (if applicable)?

No response

Codex doctor report

not available

What issue are you seeing?

Codex always fails to retrieve my skills on the first attempt with execution error: Io(Custom { kind: Other, error: "windows sandbox: runner error: CreateProcessAsUserW failed: 5" })

 I’ll use the clean-js-ts and general-code guidance here, then inspect the Vite plugin and make the smallest change that disables it during SSR.

• Running Get-Content -Path docs\vite\importMap.plugin.ts

• Running Get-Content -Path C:\Users\hugoa\.codex\skills\clean-js-ts\SKILL.md

• Ran Get-Content -Path C:\Users\hugoa\.codex\skills\general-code\SKILL.md
  └ execution error: Io(Custom { kind: Other, error: "windows sandbox: runner error: CreateProcessAsUserW failed: 5" })

• Ran Get-Content -Path docs\vite\importMap.plugin.ts
  └ execution error: Io(Custom { kind: Other, error: "windows sandbox: runner error: CreateProcessAsUserW failed: 5" })

• Ran Get-Content -Path C:\Users\hugoa\.codex\skills\clean-js-ts\SKILL.md
  └ execution error: Io(Custom { kind: Other, error: "windows sandbox: runner error: CreateProcessAsUserW failed: 5" })

What steps can reproduce the bug?

Any prompt

What is the expected behavior?

Don't fail with execution error: Io(Custom { kind: Other, error: "windows sandbox: runner error: CreateProcessAsUserW failed: 5" })

Additional information

No response

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#api#ssr#model compatibility#GPU setup#container setup

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codex - 💡(How to fix) Fix windows sandbox: runner error: CreateProcessAsUserW failed: 5