In my taskbar, I have a Windows Defender Security Centre shield, constantly showing a red cross over it. I click on it and it takes me to Settings, Windows Update, which shows ..
Updates are available
• 2018-03 Cumulative Update for Windows 10 Version 1709 for x64-based Systems (KB4088776)
Status: Awaiting restart.
Your device is at risk because it's out of date and missing important security and quality updates. Let's get you back on track so Windows can run more securely. Select this button to get going:
.. and the button is Restart Now
This has been the case for about 10 days now. And I have re-started dozens of times, but the red cross still keeps coming up. It is green initially, then goes to yellow, and always ends up red within half a minute or so, even if I re-start over and over again within a few minutes.
I don't know what to do about this, or what is going on. I have the system on full automatic updates (or whatever the default is) and have never barred any updates.
What is happening, and what can I do about it. I would hate to have my computer at risk, which it seeems to be at the moment.