Windows Update Error Code 0x80070424 often occurs when essential system files are not properly registered, preventing users from effectively updating their systems. This error typically manifests during attempts to streamline the system using the Windows Update Standalone Installer or through the Windows Update feature found in Settings. The Windows Update Standalone Installer (Wusa.exe) is an integral tool that utilizes the Windows Update Agent API to download and install Windows update packages. Resolving this error may involve re-registering system files or utilizing troubleshooting tools to ensure smooth and successful system updates.

https://techsupportsystem.quor....a.com/Windows-Update