Its theme's rank, 14 days: 2 on the Codex sheet
2 people reported

All time, since Nov 6.

Extension UI fails to start

“The Codex extension intermittently fails to initialize its user interface in VS Code on Windows.”

Is this your bug? What gets counted gets fixed. Pile on.

Paste this into your agent. It files your report, with your error and version.

I hit this bug: rapsheet.dev/sheets/codex/issues/26337/file
Follow it to file my report. Show me the text before you send.

No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends

Codex extension UI fails to start in VS Code on Windows. Shows "Codex could not start" and "The extension could not start its user interface"; reopening VS Code is needed before it initializes.

Is this your bug?

File my report
Where
VS Code extension
Error text
The extension could not start its user interface.
Versions
26.1021.22027 to 26.51021.22027. Still reported on the newest version, 26.51021.22027.
Platforms
Windows
How bad
Breaks a normal workflow.

Part of: Codex VS Code extension shows "Codex could not start" and its sidebar UI never loads9 bugs

  1. Sidebar renderer_ready_timeout52 people
  2. Sidebar renderer_ready_timeout18 people
  3. Sidebar UI fails to start4 people
  4. Extension UI fails to start128 people
  5. Webview fails in Remote WSL2 people
  6. User interface fails to start23 people
  7. Sidebar UI fails to start3 people
  8. Codex UI fails to start6 people

Original reports2, newest first

  1. Intermittent Codex VS Code UI startup failure on Windows; requires 4–5+ restartsOn GitHub#59943
  2. BugOn GitHub#59876

Do you work on Codex?

Claim its RAP Sheet to see what your users report and answer them in one place.