26c6c410e0e0.Start with the exact PowerShell failure
Copy the script name, exit code, and first meaningful error without publishing private paths or account data. Confirm Node.js 22+ and the official Store-installed Codex package. Do not bypass an execution error by taking ownership of WindowsApps or replacing the official executable.
Check state and identity before deleting anything
An explicitly occupied debug port should fail closed; the normal launcher can scan for a free port. Verify that recorded PIDs, executable paths, package identity, Browser ID, and start times still describe the current session. Config changes must preserve strict UTF-8 and stop if the file changed after reading.
Repair through the documented lifecycle
Run the upstream tests, reinstall once, launch, and use verify-dream-skin.ps1 with an absolute screenshot path. Inspect Home and a normal Task. If any native element is missing or unclickable, restore rather than calling the visual result complete.
Completion checklist
- Node.js version is supported
- Store package is official
- Port identity is unambiguous
- Verify and Restore both pass