Two persistent Validate-SetupState failures despite §7.4 fixes:
1. wuauserv — Setup's Assert-Steps pass at exit but WaaSMedicSvc (tamper-protected,
cannot be disabled) polls SCM ~30-60s and resets StartType to Manual.
Fix: write Start=4 directly to registry key (SCM API alone is overrideable);
deny WaaSMedicSvc write access to wuauserv registry key via ACL (best-effort,
non-fatal if WinRM session lacks permission); re-enforce Start=4 after DISM
in Cleanup; add Pre-Final re-affirmation block before Final gate.
2. AutoAdminLogon — Step 5c re-affirms it mid-script, but Steps 7-10 take hours
and no Final gate check catches a late reset. Fix: add Pre-Final re-affirmation
block (same as wuauserv) + add Assert-Step 'Final' 'AutoAdminLogon=1' to Final gate.
Also update WinISO default path to April 2026 refresh ISO.