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September 23, 2020


Latest item in update history is dated 7/15/2020

CAB Add-Package Absent from Settings Update History

After using DISM Add-Package to install a Cumulative Update from a CAB file, I find the update is not shown in Settings/Update & Security/Show update history. It does show up in Programs and Features/View installed updates, though.

Certain DISM commands may misfire on Windows 10 2004

Reports of DISM Difficulties in Windows 10 Version 2004

Some users (and online publications) are reporting errors when running DISM /Online /Cleanup-Image. WindowsLatest suggests a possible fix, and asserts that the June 9 Patch Tuesday release should address such problems. All I can see is “We’ll see.”

Windows 10 2004 Adds DISM ReservedStorage Commands

Oho! Sometimes, it’s nice to be proved correct, even if it takes a while. Last October, I posted at Win10.Guru about a “PortableBaseLayer” partition. At that time, I reported that “one theory about this partition is tied to Reserved Storage for Windows Update.” On February 26, an MS DOCS item appeared that illuminates the whole

Working with WinRE in Windows 10

Working with WinRE in Windows 10, I learn that recovery media is a snapshotting mechanism that will restore your system to its state when the snapshot was made. I can do better than that, with Macrium Reflect.

MS BrightSpot Image

Ed Says: “Thanks for a Great Two Years!”

As I look back at two years at Win10.Guru, I reflect on successes with the Admin Toolkit and DISM series, and somewhat less enthusiasm for news and musings from readers. I resolve to offer more of interest and engagement in 2020. Happy New Year, All!

Good coding – Make your code readable

In my opinion one of the characteristics of good code, be it a batch file or script or an application, is clear and precise on-screen instructions to its intended user. I recommend adding enough remarks for those reading the source code, and really doing your best to make output clear, understandable and readable. I will

Native boot VHD – Dual boot made easy!

The easiest, most convenient method to use different versions and editions of Windows 10 in dual or multi boot scenario is through a native boot virtual hard disk. No partitioning or virtualization is required: just create a VHD, install Windows on it, and when done and it’s no longer needed, delete the VHD file. This

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