Windows 26.527.3686.0: enabling notifications triggers Electron app launch error with ?type=click&tag deep link

What version of the Codex App are you using (From “About Codex” dialog)?

Codex Desktop: 26.527.3686.0 Store package: OpenAI.Codex_26.527.3686.0_x64__2p2nqsd0c76g0

What subscription do you have?

ChatGPT Pro

What platform is your computer?

Windows 11 x64

What issue are you seeing?

After updating Codex Desktop for Windows to 26.527.3686.0, enabling Windows notifications for Codex reliably triggers an Electron launch error.

The app itself can open normally from the Start menu. Get-AppxPackage *Codex* reports the package status as Ok, but when Codex notifications are enabled, Windows/Codex appears to invoke a notification deep link and the query string is appended to the Electron app path.

Error dialog:

Error launching app

Unable to find Electron app at C:\Program Files\WindowsApps\OpenAI.Codex_26.527...\?type=click&tag=...

Cannot find module 'C:\Program Files\WindowsApps\OpenAI.Codex_26.527...\?type=click&tag=...'

### What steps can reproduce the bug?

1. Install or update Codex Desktop for Windows to `26.527.3686.0`.
2. Open Codex normally from the Windows Start menu.
3. Enable Windows notifications for Codex in Windows Settings.
4. The error dialog appears reliably after enabling notifications / notification handling is triggered.

I also tested the following:

- Disabling Windows mobile device access / phone connection did not fully resolve the issue.
- Closing Codex and killing stale `Codex.exe` / `codex.exe` processes reduced process accumulation, but the error still returns when Codex notifications are enabled.
- Keeping Codex notifications disabled prevents the error from appearing.
- Opening Codex from the Start menu works normally.

The error dialog includes a deep-link-like query string:

```text
?type=click&tag=...
Example error:
Error launching app

Unable to find Electron app at C:\Program Files\WindowsApps\OpenAI.Codex_26.527...\?type=click&tag=7051289366197316927

Cannot find module 'C:\Program Files\WindowsApps\OpenAI.Codex_26.527...\?type=click&tag=7051289366197316927'

### What is the expected behavior?

Codex should handle ?type=click&tag=... as a notification/deep-link argument, not append it to the Electron app path.

### Additional information

Name          Version        Status  InstallLocation
OpenAI.Codex 26.527.3686.0  Ok      C:\Program Files\WindowsApps\OpenAI.Codex_26.527.3686.0_x64__2p2nqsd0c76g0