KB4522355 Windows 10 1903 18362.446 Cumulative Update

Cumulative update KB4522355 for Windows 10 1903 OS build 18362.446 changelog, highlights and improvements, fixes, and known issues.

Windows 10 1903 May 2019 Update has got cumulative update KB4522355 for Windows Insider members on the Release Preview channel. The patch takes the OS Build to 18362.446 and is also available for Windows Server 2019.

Users will receive the cumulative update package KB4522355 automatically through Windows update. However, the release note is not aired till now you can keep tracking through Settings > Update & Security > Windows update > Check for updates. The patch is based on x86, x64 (amd64), ARM64, and Windows Server 2019 (1903) processors for x64-based systems. To complete the installation of 4522355, you will need to restart your computer. After the update , the build number of Windows 10 1903 will change to 18362.446. See – Windows 10 Cumulative Updates List.

KB4522355 Windows 10 1903 18362.446 Cumulative Update

KB4522355 Windows 10 1903 18362.446 Cumulative Update

A soon as the release note is published you will find the improvement, fixes, and known issues here.

Source –

Update – 24/10/2019

KB4522355 Windows 10 1903 18362.446

  • KB4522355 updates Narrator that doesn’t work in certain touch mode scenarios.
  • The cumulative patch updates focuses on an issue that begins assistive technology after signing in when you’ve set it to start before signing in. AT aka assistive technology includes Microsoft Narrator, Magnifier, or NVDA, etc.
  • It updates Magnifier that stops working in some scenarios, and you need to restart it manually.
  • The patch updates Narrator that stops working in the middle of a session in certain scenarios.
  • It updates scroll bar is not selected problem.
  • The cumulative patch updates a setting that let a device go to Sleep (S3) despite you configure the it to never sleep.
  • It updates window that doesn’t shrink in some cases.
  • Windows 10 developer’ team updates an issue of connecting to a virtual private network (VPN) is not possible.
  • They update slow to display the screen or screen flickering problem when you show app thumbnails that has high DPI.
  • The cumulative update focuses on tile for the Photos app that appears larger than expected in the Start menu under certain conditions.
  • The patch updates system stops responding at the sign-in screen issue.
  • Updates an issue that might cause a black screen to appear the first time you sign in after installing a feature or quality update.
  • KB4522355 updates Tray icons, Cortana Search bar, Microsoft Edge or Start menu that stops working in some scenarios after installing a monthly update.

Improvements and fixes

This non-security update includes quality improvements –

  • KB4522355 cumulative update addresses an issue with the behavior of the Origin HTTP header when you use Internet Explorer (IE) to make cross-origin resource sharing (CORS) requests to redirect resources in internal subnets.
  • Patch addresses Narrator doesn’t work in certain touch mode scenarios.
  • Microsoft developers addresses syncing settings problem from the Accounts page when the  -Continue experiences on this device – Group Policy is disabled.
  • They address assistive technology that opens after signing despite the Ease of Access Center setting requires AT to start before signing in.
  • Windows 10 1903 team addresses an error message that appears when you open an app after enabling NT Virtual DOS Machine (NTVDM) and the legacy console mode. The message is – OACClearArry: Cannot connect to Trace32 OLE Automation server. Error code – 2147483645.
  • The patch tries to fix Magnifier stops functioning in certain scenarios, and the user must restart it manually.
  • It updates time zone information for Norfolk Island, Australia.
  • Furthermore, it also updates time zone information for the Fiji Islands.
  • The cumulative update works on Narrator that stops working in the middle of a user session in some scenarios.
  • It focuses on Command Prompt window color that can’t be set default when using the color command without a parameter.
  • The patch works on the Microsoft Windows Search Indexer (exe) that adds or repairs required access control lists and doesn’t check whether ACLs exist.
  • It focuses on solving to fix controls in Win32 applications that intermittently fail to render correctly. The issue occurs when it started from a logoff script using the – Run shutdown scripts visible policy.
  • The cumulative update addresses applications that stop responding after installing many fonts in the system.
  • KB4522355 Windows 10 1903 focuses on high CPU usage issue in Desktop Window Manager (exe) when you disconnect from a Remote Desktop Protocol (RDP) session.
  • It works on scroll bar that cannot be selected when an ActiveX control implements the CScrollView. The issue takes place when you move the Internet Explorer (IE) window, which then move the scrollbar to the left.
  • The patch tries to fix the system setting that allows to go to Sleep (S3) after two minutes of inactivity despite never sleep configuration in sleep timer.
  • It addresses Windows size that can’t be reduced in some cases.
  • The cumulative patch works on Microsoft SharePoint file names that appear incorrectly in the Recent items folders and Quick access.
  • It addresses virtual private network (VPN) connections can’t be established.
  • Microsoft team for Windows 10 1903 addresses screen flickering or is slow to display the screen when you show application thumbnails DPI monitors.
  • The team addresses users are unable to opening files, links, and applications because of incorrect permissions on a user’s class registry keys.
  • The cumulative patch works on tile for the Photos app that appears larger than expected in the Start menu in some conditions.
  • It focuses system stops responding at the sign-in screen problem.
  • The patch tries to fix multifactor unlock policy of Windows Hello for Business. The policy fails to display the default sign-in option on Windows 10 devices.
  • KB4522355 addresses Windows Search that closes unexpectedly when a Group Policy applies sub-groups to the Start menu layout.
  • It focuses on you can’t retrieve the correct Dynamic Host Configuration Protocol (DHCP) information by setting the DHCP LeaseTerminatesTimeand LeaseObatinedTime parameters to the correct format.
  • The patch tries to solve diagnostic data processing problem when a device has the concerned setting enabled and set to Basic.
  • It works on Internet Explorer (IE) that can’t be opened when Microsoft User Experience Virtualization (UE-V) is being used to roam many favorites.
  • Additionally, the patch improves the reliability of the UE-V AppMonitor.
  • It tries to fix Microsoft AppLocker that might prevent an application from running or log a false positive error instead of running the application.
  • Cumulative patch addresses exe that can’t display new ticket-granting ticket (TGT) delegation bit for the display or query mode.
  • KB4522355 addresses Direct Access servers that might use a large amount of non-paged pool memory (pooltag: NDnd).
  • The patch works on AppContainer firewall rules that leak when guest users or mandatory user profile users sign in and sign out from Windows Server.
  • It focuses on Unified Write Filter (UWF) servicing mode of Windows Update that fails to work with the Windows Server Update Services (WSUS) server.
  • Cumulative update works on all Transmission Control Protocol (TCP) dynamic ports are consumed. Consequently, network communications will fail for any protocol or operation using dynamic ports.
  • Cumulative patch tries to fix applications and scripts that call the NetQueryDisplayInformation API or the WinNT provider. They might be unable to return results after the first page of data, oftentimes 50 or 100 entries. When requesting extra pages, you might encounter the error,  – 1359: an internal error occurred.
  • It focuses on window ordering after tooltips appear is disrupted in the RemoteApp window.
  • The patch improves an access control list check for Known Folders to inhibit a black screen that appears the first time a user signs in after installing a feature or quality update.
  • It focuses on evaluating the compatibility status of the Windows ecosystem problem to help ensure application and device compatibility for all updates to Windows.
  • KB4522355 addresses White glove deployments and Autopilot self-deploying mode problems.
  • The update works on pszTargetName parameter that was set wrongly in the InitializeSecurityContext()
  • Patch works on Start menu, the Cortana Search bar, Tray icons, or Microsoft Edge to stop responding in some scenarios after receiving a monthly update.

Download from Microsoft update catalog

Source – Knowledgebase.


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Topics:  Windows update
About Sunita
Love to play with Windows 11 and 10. Suggestion - Going for Registry change or system files edit then remember to take a backup or create a restore point before Starting.