1. https://support.microsoft.com/pl-pl/help/947821/fix-windows-update-errors-by-using-the-dism-or-system-update-readiness

2. https://support.microsoft.com/pl-pl/help/10164/fix-windows-update-errors

3. https://support.microsoft.com/pl-pl/help/10587/windows-10-get-help-with-upgrade-installation-errors

4. Katalog KB
https://www.catalog.update.microsoft.com/home.aspx