Codex extension connected to Chrome, but control fails with Windows Sandbox error

[alexandrrecardoso-sys]

A extensão oficial Codex no Chrome está ativa e mostra “Connected”, mas o Codex não consegue controlar o navegador.

Erro apresentado:
windows sandbox failed: helper_unknown_error: setup refresh had errors

Já foram realizados:

• Reinicialização do Chrome e do Codex;
• Reinstalação da extensão;
• Remoção e nova instalação do plugin Chrome no Codex;
• Confirmação de que a extensão está ativa e conectada.

O erro ocorre antes de o Codex alcançar o Chrome.

[github-actions]

English translation:

The official Codex extension for Chrome is active and shows “Connected,” but Codex is unable to control the browser.

Error displayed:
windows sandbox failed: helper_unknown_error: setup refresh had errors

The following have already been attempted:

• Restarting Chrome and Codex;
• Reinstalling the extension;
• Removing and reinstalling the Chrome plugin in Codex;
• Confirming that the extension is active and connected.

The error occurs before Codex can reach Chrome.

[github-actions]

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

• Windows sandbox fails with Smart App Control enabled because unsigned node_repl.exe is blocked #32487
• Codex Desktop terminal fails before PowerShell starts: helper_unknown_error #31848
• Windows elevated sandbox fails with "helper_unknown_error", while unelevated works #32855

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