It was easy to find the updates installed on Windows. This recent problem update has indeed already been installed on my wife's computer (a little over a week ago). I thought about uninstalling it. Microsoft of course warns against it. Their reasons are mostly just "Well, you'll lose the updates we just added and you can trust us to only install good updates." Yeah, right. However, they did mention at the bottom of their list of "why you shouldn't do this" that data loss can occur when uninstalling security updates. This may be a bogus warning scare tactic. Or it may not be.
I thought about my personal setup. My wife's computer is backed up daily, and I keep at least 30 days of individual full backups that I could choose from to restore if needed. These are user files (the important stuff). I do backup the entire OS once a month, but I would reinstall the OS from scratch rather than use one of these image backups except in a dire emergency. Everything is backed up to a Linux server, so those backups are not susceptible to this recent Windows bug. And the Linux server "pulls" the data from my wife's Windows computer, it is not "pushed" from the Windows end. So Windows can't compromise the Linux end. It's not like Windows is writing to a remote Linux disk - Linux is in control of the backup process.
So I should be well set to recover from anything Windows might do to my wife's SSD. I think I'll allow the bad security update to stay in place, for now. I'll follow future information on this bug and I may update my current plan sometime in the future if warranted.
John - Thanks for reporting this. While I'm in good shape here, my kids and some of my friends may not be. I have forwarded your info on to them so they can decide what is needed for their personal setups. I will assist them (make Linux controlled backup space available to them) if needed.
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