Microsoft Windows Update error code 8024400a: Computer Freezes when checking for Windows Update Getting Error code 8024400a when upgrading to Windows 10 from Windows 8.1. When you try to download or installing update from Windows Update in Windows 8, Windows 7, Windows 10 or Windows Vista, the computer may freeze. If the computer freezes during windows installation. … Continue reading “How to Fix windows update error code 8024400a windows 7/8/10/11?”