Windows: `/app` command fails to launch Codex Desktop from MSIX installation (Access Denied)
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 52/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Quiet
- Tech stack
- powershell, rust
- Domain
- cli, desktop, operating-systems
Research direction
Start by tracing the /app command's Codex CLI launch path and reproducing it in PowerShell 7 on Windows 11 with the Microsoft Store/MSIX installation. Investigate how the CLI starts Codex Desktop from the WindowsApps directory; done means the current session opens without an access denied error.
Written by the indexing model from the issue text.
Description
Description
On Windows, using /app from Codex CLI fails when trying to open the current session in Codex Desktop.
The CLI attempts to start Codex Desktop through the executable inside the WindowsApps MSIX installation directory, but Windows rejects the launch with an access denied error.
Environment
- OS: Windows 11
- Codex CLI version:
0.144.5 - Codex Desktop version:
26.715.2305.0 - Installation type: Microsoft Store / MSIX package
- Shell: PowerShell 7
- Dominant language
- Rust
- Stars
- 125k
- Forks
- 19.5k
- Avg merge
- 1m
- Merged PRs (30d)
- 1k
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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