Windows Update Error Code 0x80070424 frequently pops up if the needed system lines are n’t registered due to which druggies aren’t suitable to get their system streamlined. The error generally occurs while streamlining your system using Windows Update Standalone Installer or through Windows Update located in Settings. Windows Update Standalone Installer (Wusa.exe) is a erected- in mileage that uses Windows Update Agent API to download and install Windows update packages.