External Publication
Visit Post

Large number of node_repl.exe processes

OpenAI Developer Community April 27, 2026
Source

Title: Codex Windows app freezes and creates dozens of node_repl.exe processes

I am experiencing repeated freezes in the Codex Windows desktop app.

The app periodically turns white and becomes “not responding” for roughly 20 seconds before recovering. During this, Task Manager shows a very large number of node_repl.exe processes running at the same time.

This does not look like normal resource pressure: overall CPU and memory are not extremely high. It looks more like Codex is spawning many child REPL processes and not cleaning them up, or not reusing existing sessions properly.

Expected: The app should stay responsive and should not accumulate dozens of node_repl.exe child processes.

Observed:

  • Codex app freezes / white screen

  • “Not responding” for ~20 seconds

  • Dozens of node_repl.exe processes visible in Task Manager

  • Each process is small, but the process count is abnormal

Suggestion: Please investigate whether node_repl.exe processes are being leaked or left alive after tasks finish. A child-process watchdog, reuse strategy, process cap, or cleanup routine may help. It would also be useful to expose diagnostic logs showing when these processes are spawned and terminated. Screenshot attached.

Discussion in the ATmosphere

Loading comments...