Windows 10 Optional Update KB4577062 (v1909/1903) Released

As expected, Microsoft is rolling out the first batch of September optional updates for Windows 10. The optional update is available for Windows 10 version 1909/1903 and it includes general bug fixes and non-security improvements.

Microsoft also noted that optional update won’t download or install automatically on your device unless you manually select ‘Download and install’ in Windows Update page.

Like every Windows Update, you can open the Settings app and click on the Windows Update option to install the patches. If you own multiple PCs or if you would like to patch the PCs manually, you can learn more about it here.

If you’re on Windows 10 version 1909 or 1903, you’ll be getting KB4577062 that will enable a new notification in Internet Explorer 11 to inform users about the end of support for Adobe Flash in December 2020.

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Here’s the complete changelog:

• Adds a notification to Internet Explorer 11 that informs users about the end of support for Adobe Flash in December 2020. For more information, see KB4581051.
• Updates an issue that causes certain apps to go into an unwanted repair cycle. As a result, a user cannot use that app during that time.
• Updates an issue that might display 4K high dynamic range (HDR) content darker than expected when you configure certain non-HDR systems for HDR Streaming. 
• Updates an issue to reduce the likelihood of missing fonts. 
• Updates an issue that causes a device to stop responding after you have been using a pen for several hours. 
• Reduces distortions and aberrations in Windows Mixed Reality head-mounted displays (HMD). 
• Adds a notification to Internet Explorer 11 that informs users about the end of support for Adobe Flash in December 2020. For more information, see KB4581051.
• Addresses an issue with Microsoft Edge IE Mode that occurs when you enable Configure enhanced hang detection for Internet Explorer mode in Microsoft Edge. 
• Addresses an issue that causes certain apps to go into an unwanted repair cycle. As a result, a user cannot use that app during that time.
• Addresses an issue that, in certain scenarios, causes applications to stop working if they are created using Visual Basic for Applications (VBA). The error is, “Class not registered” error. 
• Addresses an issue that might display an empty black screen when a device is connecting to a Windows Virtual Desktop (WVD) machine. 
• Addresses an issue that might display 4K high dynamic range (HDR) content darker than expected when you configure certain non-HDR systems for HDR Streaming. 
• Addresses an issue that causes a stop error when the initialization of the graphics adapter fails. 
• Addresses an issue to reduce the likelihood of missing fonts. 
• Addresses an issue that causes a device to stop responding after you have been using a pen for several hours. 
• Addresses an issue that fails to recognize the first East Asian language character typed into a Microsoft Foundation Class Library (MFC) DataGrid. 
• Addresses an issue in which selecting I forgot my Pin from Settings>Accounts>Sign-in options fails in a Windows Hello for Business On-Premise deployment. 
• Addresses an issue that causes File Explorer to close unexpectedly when you use a Ribbon shell extension under specific circumstances. 
• Addresses an issue that affects default application associations during certain upgrade scenarios. This might cause numerous toast notifications to appear when you first sign in after the upgrade.
• Addresses an issue that generates a “No features to install” message when you add a feature, even if you provide administrative credentials. 
• Addresses an issue that causes a stop error when using Microsoft Surface Slim Pen on certain editions of Microsoft Surface Pro X or Microsoft Surface Laptop 3. 
• Updates 2021 time zone information for Fiji. 
• Addresses stop error 0xC2 in usbccgp.sys. 
• Addresses an issue that causes random line breaks when you redirect PowerShell console error output. 
• Addresses an issue with creating HTML reports using tracerpt. 
• Allows the DeviceHealthMonitoring Cloud Service Plan (CSP) to run on Windows 10 Business and Windows 10 Pro editions. 
• Addresses an issue that prevents the content under HKLM\Software\Cryptography from being carried over during Windows feature updates. 
• Addresses an issue that displays an error that states that a smart card PIN change was not successful even though the PIN change was successful. 
• Addresses an issue that might create duplicate Foreign Security Principal directory objects for Authenticated and Interactive users in the domain partition. As a result, the original directory objects have “CNF” added to their names and are mangled. This issue occurs when you promote a new domain controller using the CriticalReplicationOnly flag. 
• Addresses an issue that prevents you from enabling BitLocker after installing the Server Core App Compatibility Feature on Demand (FOD). 
• Addresses an issue that causes an access violation in lsass.exe when a process is started using the runas command in some circumstances. 
• Addresses an issue in which Windows Defender Application Control enforces package family name rules that should be audit only. 
• Addresses an issue, which occurs after an update, that causes devices that have the Dynamic Root of Trust for Measurement (DRTM) enabled to unexpectedly reset when hibernating. 
• Updates the configuration of Windows Hello Face recognition to work well with 940nm wavelength cameras. 
• Reduces distortions and aberrations in Windows Mixed Reality head-mounted displays (HMD). 
• Ensures that new Windows Mixed Reality HMDs meet minimum specification requirements and default to a 90Hz refresh rate. 
• Addresses an issue that causes a stop error on a Hyper-V host when a virtual machine (VM) issues a specific Small Computer System Interface (SCSI) command. 
• Addresses an issue that prevents Always On VPN (AOVPN) from automatically reconnecting when resuming from Sleep or Hibernate. 
• Adds an Azure Active Directory (AAD) Device Token that is sent to Windows Update (WU) as part of each WU scan. WU can use this token to query for membership in groups that have an AAD Device ID. 
• Addresses an issue that fails to log events 5136 for group membership changes in certain scenarios. This occurs when you use the “Permissive Modify” control; for example, the Active Directory (AD) PowerShell modules use this control. 
• Addresses an issue with the Microsoft Cluster Shared Volumes File Systems (CSVFS) driver that prevents Win32 API access to SQL Server Filestream data. This occurs when the data is stored on a Cluster Shared Volume in a SQL Server failover cluster instance, which is on an Azure VM. 
• Addresses an issue that causes a deadlock when Offline Files are enabled. As a result, CscEnpDereferenceEntryInternal holds parent and child locks. 
• Addresses an issue that causes deduplication jobs to fail with stop error 0x50 when you call HsmpRecallFreeCachedExtents(). 
• Addresses an issue that causes applications stop working when they use Microsoft’s Remote Desktop sharing APIs. The breakpoint exception code is 0x80000003. 
• Removes the HTTP call to www.microsoft.com that the Remote Desktop Client (mstsc.exe) makes at sign out when using a Remote Desktop Gateway. 
• Adds support for certain new Windows Mixed Reality motion controllers. 
• Addresses an issue with evaluating the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows. 
• Addresses an issue with setting the “Restrict delegation of credentials to remote servers” Group Policy with the “Restrict Credential Delegation” mode on the RDP client. As a result, the Terminal Server service tries to use “Require Remote Credential Guard” mode first and will only use “Require Restricted Admin” if the server does not support “Require Remote Credential Guard”.

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