Thu. Aug 5th, 2021

It’s been an interesting month, with a couple of flubs, but no new major plugged security holes and Microsoft has replaced its buggy SQL Server 2019 patch. Win10 version 2004 continues to astound with the number of swatted bugs, but all in all, you’re safe to install the September patches.

There are a few odd problems with the September Microsoft patches, but they’re relatively sporadic and reasonably-well understood. That makes it’s a good time to get the outstanding updates installed, though you should avoid the “optional” patches.

I’m still not ready to put Windows 10 version 2004 on my main machines. The “E Week” optional, non-security patch, KB 4577063, fixes two well-known bugs and many dozens of lesser bugs (none of which were officially documented, by the way) in the latest released version of Windows 10. @mikemeinz has hit several replicated bugs in Win10 version 2004, and bug reports continue to hit my inbox.

You’re far better off waiting for those temporary patches to get baked into Win10 version 2004 itself before even thinking about moving to 2004 — even if a third of all Win10 users are now running version 2004. Let’s hear it for the masses.

Make a full backup

Make a full system image backup before you install the latest patches. There’s a non-zero chance that the patches — even the latest, greatest patches of patches of patches — will hose your machine. It’s best to have a backup that you can reinstall, even if your machine refuses to boot. (This comes in addition to the usual need for System Restore points.)

There are plenty of full-image backup products, including at least two good free ones: Macrium Reflect Free and EaseUS Todo Backup.

Install the latest Win10 September Cumulative Update

If you haven’t yet moved to Win10 version 1909 (in the Windows search box, type winver and hit Enter), I recommend that you do so. The bugs in version 1903 are largely replicated in 1909 and vice-versa, so there’s very little reason to hold off on making the switch — although, admittedly, there’s almost nothing worthwhile that’s new in version 1909. Here are detailed instructions for moving to 1909.


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