September Update



[German]Microsoft’s September 2020 patchday (B and C week) is now over. It’s time for a short overview of the issues caused by updates for Windows 10 and its server counterparts.

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Let’s see if and what optional updates are coming this week. But the previous updates have driven some users into problems – sometimes it was additional software or hardware that was responsible. But sometimes the (security) updates have also caused problems in Windows 10.

Update issues

Sep 01, 2020 September 1, 2020, update for Outlook 2016 (KB4484511) Applies to: Outlook 2016 This article describes update 4484511 for Microsoft Outlook 2016 that was released on September 1, 2020. Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. Released: September 2020 Quarterly Exchange Updates ‎ 07:00 AM Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. It’s possible that we’re not getting a major September update—ACNH hasn’t shown outward effects of COVID-19 yet, but that could change. Even so, I’d expect to here more about some manner.

At this point I’d like to list some issues I’ve picked up in this blog. Forum messages of the kind ‘cannot install update xyz’ I will leave out, because they are often quite unspecific.

Bitdefender blocks Update

Users with Bitdefender antivirus protection and working with Windows 10 version 190x had a problem with the September 2020 patchday. The security solution incorrectly blocked the Windows 10 cumulative update KB4574727 as malicious. I had addressed the details in the blog post Windows 10 V190x: Bitdefender Antivirus blocks Update KB4574727.

Windows 10 2004: Update KB4571756 collides with applications

The cumulative security update KB4571756 released by Microsoft on September 8, 2020, causes issues with the Explorer and possibly crashes in connection with various applications. I had reported in the blog post Windows 10 2004: Update KB4571756 collides wit Paint Shop Pro 7 about issues with the graphics program Paint Shop Pro 7. In the meantime I have also received hints about the same issues with Word 2007 and Edit Plus. They are all old applications, but something in the Windows shell seems to have problems with these programs. Annoying for the people concerned.

September Update On This Is Fate

Update causes BSODs on Thinkpads

Users of Lenovo ThinkPads with Windows 10 Version 2004 and Lenovo Vantage software are annoyed by BlueScreens (error SYSTEM_THREAD_EXCEPTION_NOT_HANDLED in ldiagio.sys) caused by updates. The first updates causing this were released as previews at the end of July 2020.

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Microsoft has confirmed the problem and the cause, the correction must be done by the Lenovo Vantage software. I have the issue in the blog post Windows 10 2004: Microsoft confirms BSODs on ThinkPads caused by Updates.

Windows Subsystem for Linux broken

There are reports that the last cumulative update for the Windows 10 May 2020 update (version 2004) breaks the Windows subsystem for Linux (WSL 2). After installing the update, this business function can no longer be used. Details about this issue I have discussed in the blog post Windows 10 Version 2004: Update KB4571756 breaks WSL 2. Windows 10 Version 2004: Update KB4571756 macht WSL 2 kaputt besprochen.

Upgrade to Version 2004 blocked for LTE systems

September

At the end of August 2020, Microsoft also suspended the Windows 10 upgrade to the May 2020 update (version 2004) if LTE modems are installed. There are then problems with drivers. I had pointed this out in the blog post August 2020 update causes BSODs on ThinkPads – Upgrade suspended on LTE systems.

Miscellaneous issues with updates

In connections with preview updates and the Edge-Browser I noticed some more ambiguities, which I would like to touch on briefly.

Update

September Update Acnh

Confusion about Defragmentation Bug Fix

In Windows 10 version 2004 there was a problem from the beginning that hard disks and SSD drives were optimized unnecessarily often by the Windows defragmentation. Windows 10 Version 2004 forgot when the last optimization was performed. The defragmentation bug was then corrected by an update in August 2020. But only the cumulative update KB4571756 seems to have fixed the bug when optimizing SSD drives. I had discussed this issue in the blog post Does Update KB4571756 fixes the SSD defrag bug in Windows 10 V2004?.

Trouble with update to Chromium-Edge

September

Microsoft is trying to install the new Chromium Edge browser for its Windows 10 users. Cumulative updates were provided for this purpose. The update KB4559309 is used to update the old Edge-Browser to the new Chromium-based version and is rolled out since June 2020 for Windows 10 version 1803, 1809, 1903, 1909 and 2004 (Home- and Pro-Edition). I had in the blog post Windows 10: Chromium Edge are rolled out to user.

September Update Civ 6

Update

The problem with this update is that installing it can cause collateral damage to Windows 10 systems. I had pointed this out in the blog post Edge Update KB4559309 may slow down Windows 10. Some users noticed after installing the update that the Windows 10 systems booted very slowly. A community moderator at Microsoft Answers then confirmed that the Microsoft Edge development team is investigating the whole thing.

Now Microsoft has replaced this old update with the new update KB4576754. Background for this replacement update are probably slow booting Windows 10 systems after applying the update KB4559309, but this was not documented in the support article. I have replaced the details in the blog post Windows: Edge Update KB4559309 replaced with KB4576754, fixes performance issues.

wsecedit.dll error when loading a MMC snap-in

Security update KB4577015, dated September 8, 2020, causes problems on Windows Server 2016, which acts as the domain controller. The Group Policy Editor (gpedit.msc) throws a wsecedit.dll error when loading an MMC snap-in when changing security options. I have addressed this in the article Windows Server 2016: Update KB4577015 throws a GPO MMC wsecedit.dll error. In this Microsoft Q&A post someone published a workaround (just delete the given registry entry).

Further problem reports

In the internet I found some more reports about various errors on various websites. So there are again reports that the start menu and the search in Windows 10 cause problems. A reddit.com user describes it in this thread. Windows Latest warns in this post that update KB4571756 could damage the Windows 10 start menu. On askwoody.com there is also this forum post where a user reports that a vulnerability in WSUS was silently fixed.

Similar articles:
Microsoft Office Patchday (September 1, 2020)
Microsoft Security Update Summary (September 1, 2020)
Patchday: Windows 10-Updates (September 8, 2020)
Patchday: Windows 8.1/Server 2012-Updates (September 8, 2020)
Patchday: Updates für Windows 7/Server 2008 R2 (September 8, 2020)
Patchday Microsoft Office Updates (September 8, 2020)
Windows 10 V1809/190x: Preview Updates (September 16, 2020)
.NET Framework Preview Updates (Sept. 16, 2020)

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