An ‘underwhelming’ Windows 10 21H1 arrives


Last week I detailed easy ways to block Windows 10 21H1 from installing on your machine. And this latest update isn’t without issues —Microsoft has highlighted known problems that not only affect 21H1, but 20H2 and 2004, too: 5.1 Dolby Digital audio may contain a high-pitched noise or squeak in some apps when using specific audio devices and Windows settings. But so far, any trouble appears to be limited to computers I call “advanced” or “troublesome.”

Typically, PCs that need special attention attention are dual-boot machines modified to install into either Windows or another platform. (I have not seen issues when the bootloader is modified to offer an easy way to boot into a recovery process, so if you modified Windows to perform that function, you don’t need to worry.)

“Non-normal” Windows systems often trigger issues. Always start by reviewing whether you have enough drive space on your C: drive before beginning a major install. I use Treesize free to review any drive hogs on my computer, though as a reminder, you can’t rip things out of the directory of WinSXS without severely damaging your computer and maybe making it non-bootable.

The only supported way to clean things up is to do the following: Click on the search box and type in cmd. When it is offered up in the “Best match” section, right-mouse-click and select “Run as administrator.”

Type the following command and press Enter:

dism /online /Cleanup-Image /StartComponentCleanup

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