Codex Windows app flickers constantly on launch.

Open 💬 1 comment Opened Jul 9, 2026 by SwaneGhost

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

OpenAI.Codex_26.707.3351.0_x64__2p2nqsd0c76g0

What subscription do you have?

regular

What platform is your computer?

Microsoft Windows NT 10.0.26200.0 x64

What issue are you seeing?

GPU:
Intel UHD Graphics 32.0.101.5542
NVIDIA GeForce RTX 4060 Laptop GPU 32.0.16.1062

App visual flickering

Tried:

  • Reinstall
  • Intel GPU
  • NVIDIA GPU
  • --disable-gpu
  • --disable-direct-composition
  • --disable-gpu-compositing
  • --use-angle=warp
  • MPO disabled with OverlayTestMode=5
  • Updated Windows and drivers

Result:
App still flickers; sometimes stops flickering but hangs on Codex logo.

What steps can reproduce the bug?

open codex app from microsoft store

What is the expected behavior?

_No response_

Additional information

_No response_

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