Thanks for the detailed report! Official signed MSIX downloads and the update options are now documented here: https://learn.chatgpt.com/docs/enterprise/windows-deployment. See Install without Microsoft distribution services. We’ll also share the feedback that the installer should explain the underlying error instead of redirecting without context.
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Automation of ChatGPT / Codex Windows Application | 3 | 949 | September 27, 2026 | |
| Bug: Codex 26.901.6511.0 launches background processes but GUI never appears (Windows 11 25H2 Build 26200.9168) | 3 | 531 | September 25, 2026 | |
| Codex Desktop for Windows: sandbox setup refresh fails when the WindowsApps helper cannot launch (os error 5) | 1 | 1024 | October 8, 2026 | |
| Official Codex app installation command resolves to an unrelated third-party app | 1 | 1883 | September 24, 2026 | |
| Windows-native Codex cannot launch pwsh from standard winget/MSIX PowerShell install | 0 | 126 | September 15, 2026 |