Décrit comment utiliser l’outil Vérificateur de fichiers système pour résoudre les problèmes liés aux fichiers système manquants ou endommagés dans Windows.

If you encounter these issues, you can use built‑in Windows repair tools—Deployment Image Servicing and Management (DISM) and System File Checker (SFC)—to scan for corrupted system files and restore missing or damaged Windows components, helping to return your system to a stable, working state.

If you service WinRE by using DISM commands to apply a Safe OS Dynamic Update (DU) package, or if WinREAgent servicing events are unavailable due to space limitations in your environment, we recommend using the DISM command to confirm the installed WinRE version.

This update automatically applies Safe OS Dynamic Update (KB5044619) to the Windows Recovery Environment (WinRE) on a running PC. The update installs improvements to Windows recovery features.

If you service WinRE by using DISM commands to apply a Safe OS Dynamic Update (DU) package, or if WinREAgent servicing events are unavailable due to space limitations in your environment, we recommend using the DISM command to confirm the installed WinRE version.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11.

This cumulative update for Windows 11, version 25H2 and 24H2 (KB5074109), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release.

This update makes improvements to the Windows recovery environment in Windows 11, version 24H2 and Windows Server 2025. Additionally, this update fixes an issue in which USB-C was not working correctly on Arm64-based devices because of a missing UCMUCSI device.

Si le matériel a été modifié sur un appareil Windows pour effectuer une mise à niveau vers Windows 11 et que le système ne reconnaît pas la modification en temps voulu, cet article explique comment lancer l’évaluation manuellement.

Pour télécharger ces fichiers sur votre PC de façon rapide et fiable, l’optimisation de la distribution identifie la meilleure source de téléchargement et optimise dynamiquement la bande passante de votre PC utilisée pour ce processus.