Starting from today, the Codex app not loading on Windows 10. It 100% the loads CPU, for about 30 minutes, and then nothing. Only the splashscreen with the logo is visible. I tried to reinstall, create a fresh .codex folder - nothing helped. Codex CLI does work, btw.

I changed the model to 5.3-Codex in the CLI, and, surprisingly, it helped! The Windows app now starts. Maybe this, maybe a CLI update, but now it works. Another possibility is that the problematic chat was archived and isn’t visible in the left nav anymore.

The same thing for win10, i have update codex

it helped me: kill the process completely delete the folder: Windows: %APPDATA%/Codex or .codex Mac/Linux: ~/.codex restart

@eyego Welcome to the forum! Thanks for reporting the problem. Thanks for post a workaround.

Thanks, that worked. But all the work was lost, unfortunately. I wish there were a fix without a profile reset.

Unfortunately no changes. UI still appear in a few seconds and the go away. Maybe i doing something wrong. I don’t have exactly APPDATA/codex but i have APPDATA/code. I looked the files inside and seems like my last sessions, so no doubts about that it’s codex folder. Maybe i am doing wrong somethin…

[image] ashot2: But all the work was lost Sorry to hear that, did you check the OS trash can? You should have backed it up. :confused: Many advanced users have a daemon running that backs up the changes to the directory for later analysis. :slightly_smiling_face:

Workaround didn’t work for me. Still stuck.

Тоже самое, удалил все файлы связанные с Codex . Переустановил Codex, не помогло… Не получается так-же запустить через VS Code:( Пользуюсь Pro версией

Have you tried using an earlier version of the VSCode Codex extension, that at times helps. Can not guarantee success but it is an option.

Codex App not loading on Windows 10

Codex

msalehrayani April 23, 2026, 7:03pm 11

Just downloaded codex on Windows 11 and I’m facing this problem. Guess it’s my luck to enter with a buggy version update. I don’t want to apply that workaround which deletes all sessions.

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Codex App not loading on Windows 10

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