It shouldn’t cause any damage to your PC – you’ll only really be deleting temporary Windows Update files – but we’d recommend setting up a System Restore point before going any further.
Next, you’ll need to delete the files in C:\Windows\Software Distribution. This error might mean your PC couldn't connect to the Windows Update servers.
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.
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.
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If the files can’t be deleted because they're in use, you’ll need to restart your PC. These are generic errors that might appear any time a Windows update fails.
Tip: Updating drivers yourself is not difficult, but there are programs that will more or less do it for you.