In an ideal world, this wouldn't be an issue – but this isn't an ideal world, and upgrading Windows is never as straightforward as Microsoft would have you believe.
For the most part, Windows updates happen silently in the background, only installing after a prompt or when you shutdown your PC.
Next, you’ll need to delete the files in C:\Windows\Software Distribution.
Go to the appropriate folder, select all of the files and press Delete. The following fix is available on numerous forums and websites, and one of our kind readers brought our attention to it with a comment below.
Generally, if it isn't restarting your PC in the middle of an incredibly important piece of work, Windows Update tends to whirr away unobtrusively in the background of Windows 10, downloading updates as it when it needs to.
However, if Windows Update becomes stuck, the first port of call is to check out this list of the most common upgrade and installation error codes.
I gave my Windows 8 computer a solid week or two with 18.0.2 and it still said I needed to update manually from the website.
If your 2-in-1 is affected, you'll see a message appear saying "Windows 10 is no longer supported on this PC.
Uninstall this app now because it isn't compatible with Windows 10".
Ignore that message, it's lies – for one, there's no app to uninstall as it's Windows 10 causing the issue.
Other times, Windows 10 just fancies doing its own thing for a while, slowing your eagerly awaited update to a crawl.
Ideally, Windows Update is one of those Windows 10 components you'd never see or hear.
Sometimes, updates can be large and require a long time to download.