Microsoft released Sept. 2020 “C” Week Preview Updates for 1809, 1903, 1909 and .NET

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Microsotf has released “C” Week Cumulative Update Previews for Win10 versions 1809, 1903 and 1909 as well as a Cumulative Update Previews for .NET for
[See the full post at: Microsoft released Sept. 2020 “C” Week Preview Updates for 1809, 1903, 1909 and .NET]

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John L, abbodi86, Lars220, geekdom, Fred, Geo, Microfix, woody

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Hidden:

• 2020-09 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 1909 for x64 (KB4576947)
• 2020-09 Cumulative Update Preview for Windows 10 Version 1909 for x64-based Systems (KB4577062)

 

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2020-09 Cumulative Update Preview for Windows 10 Version 1909 for x64-based Systems (KB4577062)

This preview no longer shows as hidden nor in the Windows Update queue.

On permanent hiatus {with backup and coffee}
offline▸ Win10Pro 2004.19041.572 x64 i3-3220 RAM8GB HDD Firefox83.0b3 WindowsDefender
offline▸ Acer TravelMate P215-52 RAM8GB Win11Pro 22H2.22621.1265 x64 i5-10210U SSD Firefox106.0 MicrosoftDefender
online▸ Win11Pro 22H2.22621.1992 x64 i5-9400 RAM16GB HDD Firefox116.0b3 MicrosoftDefender

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Once again a Preview CU .NET KB4576947  removes the original Sept monthly CU .NET KB4576484 from wushowhide where I had been holding it awaiting Defcon 3.

Now have to either obtain the original from the MS Catalog or install the Preview at Defcon 3!

What’s the recommendation?

Windows 11 Pro v24H2 and Windows 10 Pro x64 v22H2

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Hide KB4576947 and use the Catalog download for KB4576484. Save KB4576484 somewhere until DEFCON-3 or greater.

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I did hide KB4576947  however it was removed  from WUSH and I never received KB4576484.  Is it best to wait for update Tuesday and see what is offered up, or take other action?  Thanks.

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Best not to install Previews.

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KB4576947 Cumulative Update Preview for .NET Framework

My system’s Windows Update wanted to install this update this morning. Want to know waht it is/does before I install and I postponed it another 7 days.

Why is it called ‘Week Preview‘?
Preview sounds as if it is an MS attempt to have it tested before a final release later?
Why ‘Week‘?

Anyone who can explain?
Thanks

 

 

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You don’t install previews unless the updates fixes some serious bugs .
The previews will be part of next month patch Tuesday.
A month has 4 weeks.
Patch Tuesday is on the second week of the month (week B).
After patch Tuesday Microsoft releases Week C and week D preview (beta) patches.
Microsoft even released Week E (on the first week of the next month) patches.

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henrymitchel, LeonW

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[EP]

the KB4577062 update for 1903/1909 has a “known issue” documented by MS (support article 4577062 updated Sept. 24)

Symptom
When updating to Windows 10, version 1903 or Windows 10, version 1909 from any previous version of Windows 10, you might receive a compatibility report dialog with “What needs your attention” at the top and the error, “Continuing with the installation of Windows will remove some optional features. You may need to add them back in Settings after the installation completes.” You might receive this compatibility warning when LOCAL SYSTEM accounts are blocked in a firewall from accessing the internet via HTTP. This is caused by the Windows 10 Setup Dynamic Update (DU) being unable to download required packages.

Workaround
If your device has access to HTTP blocked for LOCAL SYSTEM accounts, to mitigate this issue you can enable HTTP access for the Windows 10 Setup Dynamic Update (DU) using the LOCAL SYSTEM account. After you have allowed access, you can restart installation of the update and you should not see the warning. You can also continue by clicking the OK button or use the /compat IgnoreWarning command to ignore compatibility warnings but this might also ignore other warnings that your device might be affected by.
We are working on a resolution and will provide an update in an upcoming release.

https://support.microsoft.com/help/4577062/

guess that’s one reason why the KB4577062 update is optional and not needed for many 1903/1909 users

• This reply was modified 4 years, 7 months ago by EP.

1 user thanked author for this post.

woody

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