Windows 10 October 2020 Update: disponibile la build 19042.844

• Improves the ability of the WinHTTP Web Proxy Auto-Discovery Service to ignore invalid Web Proxy Auto-Discovery Protocol (WPAD) URLs that the Dynamic Host Configuration Protocol (DHCP) server returns.

Fix di bug e miglioramenti per Windows 10 Versione 20H2 e 2004:

• Addresses an issue with a memory leak in Internet Explorer 11 that occurs when you use the Chinese language pack.
• Addresses an issue with certain COM+ callout policies that cause a deadlock in certain applications.
• Addresses an issue that prevents certain Win32 apps from opening as a different user when you use the runas command.
• Addresses an issue that displays unexpected screens during the Windows Out of Box Experience (OOBE).
• Addresses an issue that might cause a deadlock when a COM server delivers an event to multiple subscribers in parallel.
• Addresses an issue in Advanced display settings that shows the incorrect refresh rates available for high dynamic range (HDR) displays.
• Addresses an issue that might prevent certain CAD applications from opening if those applications rely on OpenGL.
• Addresses an issue that might cause video playback to flicker when rendering on certain low-latency capable monitors.
• Addresses an issue that sometimes prevents the input of strings into the Input Method Editor (IME).
• Addresses an issue that exhausts resources because Desktop Windows Manager (DWM) leaks handles and virtual memory in Remote Desktop sessions.
• Addresses an issue with a stop error that occurs at startup.
• Addresses an issue that might delay a Windows Hello for Business (WHfB) Certificate Trust deployment when you open the Settings-> Accounts-> Sign-in Options page.
• Addresses an issue that might sometimes prevent some keyboard keys from working, such as the home, Ctrl, or left arrow keys. This issue occurs when you set the Japanese IME input mode to Kana.
• Removes the history of previously used pictures from a user account profile.
• Addresses an issue that displays the wrong language when you sign in to a console after you change the system locale.
• Addresses an issue that causes the host process of Windows Remote Management (WinRM) to stop working when it formats messages from a PowerShell plugin.
• Addresses an issue in the Windows Management Instrumentation (WMI) service that causes a heap leak each time security settings are applied to WMI namespace permissions.
• Addresses an issue with screen rendering after opening games with certain hardware configurations.
• Improves startup times for applications that have roaming settings when User Experience Virtualization (UE-V) is turned on.
• Addresses an issue in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC). This occurs on devices that installed Windows Updates that contain
• CVE-2020-17049 protections and configured PerfromTicketSignature to 1 or higher. These updates were released between November 10, 2020 and December 8, 2020. Ticket acquisition also fails with the error, “KRB_GENERIC_ERROR”, if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the USER_NO_AUTH_DATA_REQUIRED flag.
• Addresses high memory and CPU utilization in Microsoft Defender for Endpoint.
• Enhances data loss prevention and insider risk management solution functionalities in Microsoft 365 endpoints.
• Addresses an issue that displays an error when you attempt to open an untrusted webpage using Microsoft Edge or open an untrusted Microsoft Office document. The error is, “WDAG Report – Container: Error: 0x80070003, Ext error: 0x00000001”. This issue occurs after installing the .NET update KB4565627.
• Addresses an issue that prevents wevtutil from parsing an XML file.
• Addresses an issue that fails to report an error when the Elliptic Curve Digital Signature Algorithm (ECDSA) generates invalid keys of 163 bytes instead of 165 bytes.
• Adds support for using the new Chromium-based Microsoft Edge as the assigned access single kiosk app. Now, you can also customize a breakout key sequence for single app kiosks. For more information, see Configure Microsoft Edge kiosk mode.
• Addresses an issue with User Datagram Protocol (UDP) broadcast packets that are larger than the maximum transmission unit (MTU). Devices that receive these packets discard them because the checksum is not valid.
• Addresses an issue in which the WinHTTP AutoProxy service does not comply with the value set for the maximum Time To Live (TTL) on the Proxy Auto-Configuration (PAC) file. This prevents the cached file from updating dynamically.
• Displays the proper Envelope media type as a selectable output paper type for Universal Print queues.
• Ends the display of a random paper size for a printer when it uses the Microsoft Internet Printing Protocol (IPP) Class Driver.
• Enables Windows to retrieve updated printer capabilities to ensure that users have the proper set of selectable print options.
• Updates support for hole punch and stapling locations for print jobs with long edge first paper feed direction on certain printers.
• Addresses an issue that might cause the IKEEXT service to stop working intermittently.
• Addresses an issue that might prevent a Non-Volatile Memory Express (NVMe) device from entering the proper power state.
• Addresses an issue that might cause stop error 7E in nfssvr.sys on servers running the Network File System (NFS) service.
• Addresses an issue that prevents the User Profile Service from detecting a slow or a fast link reliably.
• Addresses an issue that causes contention for a metadata lock when using Work Folders.
• Updates the Open Mobile Alliance (OMA) Device Management (DM) sync protocol by adding a check-in reason for requests from the client to the server. The check-in reason will allow the mobile device management (MDM) service to make better decisions about sync sessions. With this change, the OMA-DM service must negotiate a protocol version of 4.0 with the Windows OMA-DM client.
• Turns off token binding by default in Windows Internet (WinINet).
• Addresses an issue with failover in an environment that only has IPv6 clusters. If the failover cluster has been running for more than 24 days, attempts to do a failover might not succeed or might be delayed.
• Adds a new dfslogkey as described below:
  • Keypath: HKEY_LOCAL_MACHINE/SOFTWARE/MICROSOFT/dfslog.
  • The RootShareAcquireSuccessEvent field has the following possible values:
    • Default value = 1; enables the log.
    • Value other than 1; disables the log.

If this key does not exist, it will be created automatically. To take effect, any change to
     dfslog/RootShareAcquireSuccessEvent in the registry requires that you restart the DFSN service. 

Problemi noti:

• System and user certificates might be lost when updating a device from Windows 10, version 1809 or later to a later version of Windows 10. Devices will only be impacted if they have already installed any Latest cumulative update (LCU) released September 16, 2020 or later and then proceed to update to a later version of Windows 10 from media or an installation source which does not have an LCU released October 13, 2020 or later integrated. This primarily happens when managed devices are updated using outdated bundles or media through an update management tool such as Windows Server Update Services (WSUS) or Microsoft Endpoint Configuration Manager. This might also happen when using outdated physical media or ISO images that do not have the latest updates integrated.
• When using the Microsoft Japanese Input Method Editor (IME) to enter Kanji characters in an app that automatically allows the input of Furigana characters, you might not get the correct Furigana characters. You might need to enter the Furigana characters manually.

Download

Per installare subito la nuova build, è sufficiente recarsi in Impostazioni > Aggiornamento e Sicurezza > Windows Update e cliccare sul pulsante “Verifica disponibilità aggiornamenti”.

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