To resolve this problem, use the System Update Readiness tool. Then, install the Windows update or service pack again. Download the System Update Readiness tool. Go to Microsoft Update Catalog and download the tool that corresponds to the version of Windows that is running on your computer. To fix issues with Windows Update using Troubleshooter, use these steps: Open Settings > Update & Security. Click on Troubleshoot. Click on ' Additional Troubleshooters ' and select " Windows. Download Windows Automatic Update Fix Tool - Straightforward piece of software that attempts to fix common Windows automatic updating issues using published methods, suitable for rookies.