codex - 💡(How to fix) Fix After upgrading Codex Desktop today, two Codex local runtime features are broken. [1 comments, 2 participants]

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openai/codex#19570Fetched 2026-04-26 05:14:45
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Error Message

Error: failed to start codex app-server: 系统找不到指定的路径。 (os error 3) failed to start codex app-server: 系统找不到指定的路径。 (os error 3)

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

Codex Desktop package: OpenAI.Codex_26.422.3464.0_x64__2p2nqsd0c76g0 App version from logs: 0.125.0-alpha.3

What subscription do you have?

plus

What platform is your computer?

No response

What issue are you seeing?

After upgrading Codex Desktop today, two Codex local runtime features are broken.

Environment:

  • Windows
  • Codex Desktop log shows app.version=0.125.0-alpha.3
  • Browser Use plugin: openai-bundled/browser-use/0.1.0-alpha1
  • Workspace: E:\job-picc\ebs-shop-backend\ebs-trade-service

Issue 1: bundled workspace dependencies fail to install Steps:

  1. Call load_workspace_dependencies()
  2. It returns: No bundled workspace runtime dependencies are configured yet. Call install_workspace_dependencies() to install them.
  3. Call install_workspace_dependencies()
  4. It fails with: Failed to install workspace dependency runtime.

Issue 2: Browser Use in-app browser cannot navigate to external URL What works:

  • setupAtlasRuntime({ backend: "iab" }) succeeds
  • agent.browser.nameSession(...) succeeds
  • agent.browser.tabs.new() succeeds and creates about:blank

What fails:

Error: failed to start codex app-server: 系统找不到指定的路径。 (os error 3)

Notes:

  • In-app browser is open, current URL is not navigated/about:blank.
  • System global Node works: C:\Program Files\nodejs\node.exe, v22.22.2.
  • System Python alias was disabled; no global Python is currently resolved.
  • This does not look project-specific. It looks like Codex Desktop app-server / bundled dependency runtime path is broken after upgrade.

What steps can reproduce the bug?

Steps to reproduce:

  1. Start Codex Desktop on Windows.
  2. Open a Codex session with the Browser Use plugin enabled.
  3. Run the workspace dependency check: load_workspace_dependencies()

Actual result: No bundled workspace runtime dependencies are configured yet. Call install_workspace_dependencies() to install them.

  1. Run: install_workspace_dependencies()

Actual result: Failed to install workspace dependency runtime.

  1. Test Browser Use in the in-app browser with:

const { setupAtlasRuntime } = await import("C:/Users/admin/.codex/plugins/cache/openai-bundled/browser-use/0.1.0-alpha1/scripts/browser-client.mjs"); await setupAtlasRuntime({ globals: globalThis, backend: "iab" }); await agent.browser.nameSession("repro"); globalThis.tab = await agent.browser.tabs.new(); await tab.goto("https://www.bing.com/search?q=bilibili");

Actual result: failed to start codex app-server: 系统找不到指定的路径。 (os error 3)

Expected result:

  • install_workspace_dependencies() should install/configure the bundled workspace runtime successfully.
  • Browser Use should be able to navigate the in-app browser to an external HTTPS URL.

Environment:

  • OS: Windows
  • Codex Desktop package: OpenAI.Codex_26.422.3464.0_x64__2p2nqsd0c76g0
  • App version from logs: 0.125.0-alpha.3
  • Browser Use plugin: openai-bundled/browser-use/0.1.0-alpha1

Notes: This started after upgrading Codex Desktop. The Browser Use plugin can initialize and create an about:blank tab, but external navigation fails when Codex tries to start the app-server. This does not appear to be project-specific.

What is the expected behavior?

No response

Additional information

No response

extent analysis

TL;DR

The most likely fix is to investigate and resolve the issue with the Codex Desktop app-server and bundled dependency runtime path, which appears to be broken after the upgrade.

Guidance

  • Verify that the system path for the Codex Desktop app-server is correctly configured and exists.
  • Check the Codex Desktop logs for any error messages related to the app-server or bundled dependency runtime.
  • Try reinstalling the Browser Use plugin or resetting the Codex Desktop configuration to see if it resolves the issue.
  • Investigate if there are any known issues or updates available for the Codex Desktop version 0.125.0-alpha.3.

Notes

The issue seems to be related to the upgrade of Codex Desktop, and the error message "系统找不到指定的路径。 (os error 3)" suggests a path-related issue. However, without more information about the system configuration and the exact error logs, it's difficult to provide a more specific solution.

Recommendation

Apply workaround: Try reinstalling the Browser Use plugin or resetting the Codex Desktop configuration to see if it resolves the issue, as this may help to reconfigure the app-server and bundled dependency runtime path.

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