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Windows Get-Process and macOS ps exit 1 on a missing PID, so reapOrphans kept stale records and the next launch paid another 2-8s spawn each. Throw ESRCH from the existing isPidAlive helper before any shell-out. Closes #92875 Co-authored-by: Jackal991 <139240222+Jackal991@users.noreply.github.com> Co-authored-by: jonotonfoto <126111813+jonotonfoto@users.noreply.github.com> Co-authored-by: foras910521-lab <268267187+foras910521-lab@users.noreply.github.com>