To access it, open this diagnostic file from Microsoft. Then click Run as administrator, as this can help find more issues. It will then begin to detect any problems and automatically repair them.We’ve rounded up tips that should resolve the most common problems with Windows Update.If you’ve got your own stories to share of Windows Update errors or your own helpful tips, please be sure to share them in the comments section.But if you’re looking at a progress bar of the download that appears to be stuck, give it some time, especially if you’re on a Wi-Fi connection.There have been reports that some updates take over three hours to download, perhaps due to a dodgy server or a temperamental Internet connection.But problems can happen: the download getting stuck, the update refusing to install, or the system being caught up in a restart loop.Error messages for failed updates are rarely helpful, which means it can be hard to find a specific solution.Windows has a built-in troubleshooter that will try to detect and automatically resolve any problems with Windows Update.
Before beginning any troubleshooting steps, ensure that there’s definitely a problem with Windows Update.
This will sound silly if your update refuses to download or gets stuck in a reboot loop — in these scenarios there’s definitely a problem, so try the help below.