Windows 10: Cumulative Update Preview for .NET Framework (KB4577324)

/u/heljarchenhall · Sep 18, 2020

I accidentally installed a Preview Update, and I want to know how Preview Updates are patched later (since everyone is saying they are optional/for early testers and contain a lot of bugs):

Do they get patched by another Preview Update the next month?

Or, do they get patched by a regular update the next month?

I'm asking so I can either uninstall it using cmd, or wait for another stable update to fix it. Help is really appreciated!

submitted by /u/heljarchenhall
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:)

Brink · Sep 18, 2020

.NET Framework July 2017 Cumulative Quality Update for Windows 10

Today, we are releasing a new Cumulative Quality Update for the .NET Framework. It is specific to Windows 10 build 1703 (Creators Update).

Previously released security and quality updates are included in this release, including the July 2017 Security and Quality Rollup, the July 2017 Preview of Quality Rollup and the June 2017 Cumulative Quality Update for Windows 10.

Note: This release is considered a July release even though it is being released in August.

Quality and Reliability

The following improvements are included in this release. Most changes are for the .NET Framework 4.7. .NET Framework 3.5 changes are called out specifically.

ASP.NET

.NET Session State throttles change requests when several requests for the same session object arrive on the server, with .NET Framework 3.5 [447143].

CLR

CRWLock::StaticAcquireWriterLock() never returns if Int32.MaxValue number of ReaderWriterLock objects are created, with .NET Framework 3.5 [242568].

Dynamic method compilation may fail due to out of memory if memory for the code is not available near its precode [394998].

Memory leak in AppDomain::m_clsidHashMap [431586].

EETypeHashTable lookups can deadlock with GC during comparison with unrestored persisted TypeHandles [435006]

Data

SqlConnection object memory leak [444016].

System.Data.SqlClient: Errors due to undersized prelogin packet data buffer [445492].

Performance improvements in Entity Framework [445511].

Management

Reboot method of Win32_OperatingSystem has Privilege not held exception, with .NET Framework 3.5 and 4.7 [441904].

Windows forms

MdiWindowListItem remove MDI from list after closing cancellation [396476].

Excessive object creation in a performance-critical code-path leading to performance regressions and/or displaying empty UI and/or exhausting GDI+ handles [452048].

Windows Presentation Foundation (WPF)

NullReferenceException thrown from PresentationFramework.dll during SpellCheck operations after SpellCheck.CustomDictionaries.Clear() is called programmatically [432174].

XML

Incorrect Validation logic is applied when handling the <xsd:whiteSpace value=”collapse”/> directive in System.Xml [227903, 440921, 440932]

Getting the Update

The July 2017 Cumulative Quality Update is available via Windows Update, Windows Server Update Services and Microsoft Update Catalog.

Docker Images

The .NET Framework Docker images have not been updated for this release.

Downloading KBs from Microsoft Update Catalog

You can download patches from the table below. See .NET Framework Monthly Rollups Explained for an explanation on how to use this table to download patches from Microsoft Update Catalog.

[table][tr]Product Version Cumulative Quality Update KB [/tr] [tr][td]Windows 10 Creators Update[/td] [td]Catalog 4032188[/td] [/tr] [tr][/tr] [tr][td].NET Framework 4.7[/td] [td]4032188[/td] [/tr] [tr][td].NET Framework 3.5[/td] [td]4032188[/td] [/tr] [/table]
Click to expand...

Source: .NET Framework July 2017 Cumulative Quality Update for Windows 10 | .NET Blog

Brink · Sep 18, 2020

.NET Framework Cumulative Updates for Windows 10 October 2018 Update

We deliver .NET Framework updates nearly every month, through Windows Update and other distribution channels. We are making changes to the way that we deliver those updates. We’ll soon start delivering a Cumulative Update for .NET Framework alongside the Windows 10 Cumulative Update, starting with the Windows 10 October 2018 Update. This new approach will give you more flexibility on installing .NET Framework updates.

What is the new Cumulative Update for .NET Framework?

Starting with Windows 10 October 2018 Update and Windows Server 2019, .NET Framework fixes will be delivered through a Cumulative Update for .NET Framework.

We are making this change to enable the following:

Provide more flexibility for installing .NET Framework updates (for example, IT Admins can more selectively test line of business applications before broadly deploying).

Ability to respond to critical customer needs, when needed, with higher velocity, with standalone .NET Framework patches.

The Cumulative Update for .NET Framework will have the following characteristics:

Independent – Released separately from the Windows Cumulative Update

Cumulative – The latest patch will fully update all .NET Framework versions on your system

Same cadence – The Cumulative Update for .NET Framework will be released on the same cadence as Windows 10.

What should I expect?

You can expect the following new experiences.

Windows Update users:

If you rely on Windows Update to keep your machine up to date and have automatic updates enabled, you will not notice any difference.  Updates for both Windows and the .NET Framework will be silently installed, and as usual you may be prompted for a reboot after installation.

If you manage Windows Update manually, you will notice a Cumulative Update for .NET Framework update alongside the Windows cumulative update. Please continue to apply the latest updates to keep your system up to date.

Image: Cumulative Update for .NET Framework delivered via Windows Update

You can continue to rely on existing guidance for advanced Windows Update settings.

Systems and IT Administrators:

System administrators relying on Windows Server Update Services (WSUS) and similar update management applications will observe a new update for .NET Framework when checking for updates applicable to upcoming versions of Windows 10 October 2018 Update and Windows Server 2019.

The Cumulative Update for .NET Framework Classifications remain the same as for the Cumulative Update for Windows and continue to show under the same Windows Products. Updates that deliver new Security content will carry the “Security Updates” classification and updates carrying solely new quality updates will carry either the “Updates” or “Critical Updates” classification, depending on their criticality.

System administrators that rely on the Microsoft Update Catalog will be able to access the Cumulative Update for .NET Framework by searching for each releases’ Knowledge Based (KB) update number. Note that a single update will contain fixes for both .NET Framework 3.5 and 4.7.2 products.

You can use the update title to filter between the Windows Cumulative updates and .NET Framework updates. All other update artifacts are expected to remain the same.

Image: Cumulative Update for .NET Framework delivered via WSUS Administration console

.NET Framework updates across Windows versions

.NET Framework updates will be delivered in the following way:

Windows 10 October 2018 Update (version 1809) – One Cumulative Update for .NET Framework, alongside the Windows Cumulative Update.

Windows 10 April 2018 (version 1803) and earlier versions of Windows 10 – One Windows Cumulative Update (which includes .NET Framework updates), per Windows version.

Windows 7 and 8.1 – Multiple .NET Framework updates, per Windows version.

.NET Framework updates are delivered on the same servicing cadence as Windows 10. We deliver different types of updates on different schedules, as described below.

The security and quality updates for .NET Framework will be released on Patch Tuesday, the second Tuesday of each month, containing important security and critical quality improvements.

Each new security and quality update will supersede and replace the last security and quality update release.

Preview updates for .NET Framework will be released one to two weeks after the Patch Tuesday release, for non-security fixes as a limited distribution release (will not be installed automatically).

Out-of-band releases are reserved for situations where customer systems must be updated quickly and outside of the regular schedule, to fix security vulnerabilities or to resolve critical quality issues.

For more information about .NET Framework update model for previous versions of Windows, please refer to: Introducing the .NET Framework Monthly Rollup and .NET Framework Monthly Rollups Explained.

Validating the Quality of Updates

We extensively validate the quality of these updates before publishing them. .NET Framework updates are installed by many customers on many machines. It is often the case for Patch Tuesday updates that they contain security updates and it is important that you can apply those quickly throughout your environment. We are continually improving our validation system to ensure high-quality updates.

We use the following approaches to validate quality:

Extensive functional testing with in-house regression tests.

Compatibility testing with Microsoft applications, servers and services.

Compatibility testing with third-party applications that have been submitted to the .NET Framework compatibility lab. You can submit your app at L: dotnet@microsoft.com.

Security Update Validation Program (SUVP).

Listen to customer feedback from previous preview releases and Windows Insider builds.

Click to expand...

Read more: Announcing Cumulative Updates for .NET Framework for Windows 10 October 2018 Update | .NET Blog

Waseemulla S · Sep 18, 2020

Microsoft .NET Framework, Unhandled exception

Hi,

Welcome to Microsoft Community.

I suggest you to un-check and recheck .Net framework 3.5 and .Net framework 4.6 advance series from Windows features.

Try the following steps:

Press Windows + R keys to open Run command.

Type Appwiz.cpl and select "turn Windows feature on or off" from the left

Uncheck .Net framework 3.5 and .Net framework 4.6 advance series.

Restart the computer

Repeat step 1 and 2 and check .Net framework 3.5 and .Net framework 4.6 advance series.

Restart the computer.

Regards,

Windows 10: Cumulative Update Preview for .NET Framework (KB4577324)

Cumulative Update Preview for .NET Framework (KB4577324)

Cumulative Update Preview for .NET Framework (KB4577324)

Cumulative Update Preview for .NET Framework (KB4577324)

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