KB4520062 updates Windows 10 1809 to Build 17763.832 – 15 Oct 2019

Microsoft unveils cumulative update KB4520062 that brings non-security patches for Windows 10 1809. This Tuesday patch upgrades the existing OS to build 17763.832 along with new fixes and improvements. As per the company, they improve the issues related to the blank tiles in Start, Language machines, ReFS, LDAP, Win32_LogonSession query, etc. The team has also pushed out a few known issues which they promised to work upon them in the forthcoming days.

Users can get the KB4520062 by checking for updates under the Windows Update section. They can also install the patch by downloading offline installers. The company resolves a long-time occurring error that decreases CPU utilization. In addition to the above, there appears MSCTF.dll components and compatibility issues of Ecosystems. Further, here is the complete list of Windows 10 cumulative updates.


General changes and Improvements

Here are the key features that came along with this new cumulative update on 15th Oct, 2019-

  • With the onset of this patch for 1809, there won’t appear blank tiles in the Start Menu especially while updating the existing OS. The commonly occurring tiles previously were either “ms-resource:appDisplayName” or “ms-resource:AppName”. Moreover, installing this cumulative update will not remove existing blank tiles in case you have already updated the OS.
  • Resolves an issue that increases the power consumption on a device when Connected Standby mode is at its peak. 
  • Addresses an anomaly that prevents users from reconnecting or signing in to Windows Virtual Desktops because of orphaned database handles from a previous user session. 
  • The Company improves the time zone information of Fiji Islands, Norfolk Island, and Australia. 
  • Earlier, indexing to Microsoft Outlook items simply fails and displays the incorrect results if inquired in the search of virtual desktops.
  • Rectifies an issue that causes Windows Machine Learning (WinML) to throw an unhandled exception when a graphics driver times out. 
  • Improves a bug that might confines the scroll bar from being selected when an ActiveX control implements the CScrollView class. This bug arises if you move the Internet Explorer window, which then moves the scroll bar to the left. 
  • Rectifies an access control list (ACL) check for Known Folders to prevent a black screen that appears the first time a user signs in after installing a feature or quality update. 
  • Works upon an anomaly that causes Microsoft SharePoint file names to appear incorrectly in the Quick access and Recent items folders. 
  • Resolves the Bluetooth issue that comes into effect while using certain audio profiles for extended periods. 
  • KB4520062 addresses the underlying cause behind a query of the Win32_LogonSession class for the StartTime to display the value of the epoch (for example, 1-1-1601 1:00:00) rather the actual logon time. 
  • Build 17763.832 resolves the diagnostic data processing issue that appears when a device has the Diagnostic data setting enabled and set to Basic. 
  • Resolves an anomaly that involves evaluating the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows. 

Some Other Fixes

  • Rectifies an issue which turns applications utilizing the change notifications on named pipes to have a kernel mode memory leak of input and output (I/O) Request Packet (IRP) objects. 
  • Resolves a trouble that prohibits users from opening the print dialog in Internet Explorer to print a webpage. 
  • Introduces support to allow removable drives and assigned access restrictions. 
  • The experts works upon a anomaly that causes printing from 32-bit applications to fail with an “Access is denied” error when you select Run as different user for the application. 
  • KB4520062 resolves an issue that may result in the following error 0x1E, 0xA, or 0x50. This happens during a block cloning operation on an Resilient File System (ReFS) volume because of a race condition.
  • Build 17763.832 brings an end to the Offline Files Shell graphical user interface (GUI) about online and offline indicators.
  • Rectifies an issue that causes the Settings app to stop working when you change a Theme. 
  • Resolves a reliability issue in Windows Server 2019 Hyper-V Host Clusters that are managed using System Center Virtual Machine Manager (SCVMM). 
  • Rectifies an anomaly with Lightweight Directory Access Protocol (LDAP) queries that have a “memberof” expression in the filter. The queries fail with the error, “000020E6: SvcErr: DSID-0314072D, problem 5012 (DIR_ERROR), data 8996”. 
  • The team addresses an issue that causes all Transmission Control Protocol (TCP) dynamic ports to be consumed. As a result, network communications will fail for any protocol or operation using dynamic ports.
  • The company improves the issue with applications and scripts that call either WinNT provider or NetQueryDisplayInformation API. They may fail to return results after the first page of data, often 50 or 100 entries. When requesting additional pages, you may receive the error, “1359: an internal error occurred.” 
  • Microsoft resolves an issue that prevents Computer objects from being added to local groups using the Group Policy Preference “Local Users and Groups”. The Group Policy Editor returns the error message, “The object selected does not match the type of destination source. Select again.”
  • Rectifies an issue with a race condition between the volume mount process (within fileinfo.sys) and the deregistration of filter notifications that causes the operating system to stop working on certain virtual machines. The error code is “0x7E.”
  • Resolves an anomaly in which an Active Directory Federation Services (AD FS) certificate is renewed and published by default each year. However, the client does not use them, which results in an authentication error.
  • Resolves a bug in which files that are stored in a Cluster Shared Volume (CSV) with an alternate data stream are still present after you try to delete them. You may also receive an “access is denied” message on the next try to access or delete the files.
  • Resolves a bug that may cause error 0x50 to occur when a backup operation is being performed.
  • Improves the high CPU usage issue when many windows are open and Background Application Manager runs a periodic background scan. Furthermore, the desktop may become unresponsive. To turn off this scan, set the following registry key-

Name: DisableWindowHinting


Value: 1 

Known Issues on KB4519978

Below are the known issues that came along with this cumulative update for Windows 10 version 1809-


Symptom Workaround

Carrying out operations on a Cluster Shared Volume (CSV) like renaming of files and folders may fail displaying the following error message-


The above trouble starts only if you execute the above operations on a CSV owner node without having the administrator privilege.

To sort this issue out, follow any one of the following solutions-

  • Login as an Admin before performing similar operations.
  • Accomplish the operation using a node that doesn’t have CSV ownership.

Installing KB4493509 may cause a few Windows 10 devices to stuck on the following error if they have pre-installed Asian languages-


To resolve this issue, you may try the following workarounds-

  1. Remove then re-add any recently added language packs. 
  2. Hit the Check for Updates button under Windows Update thereafter install the May 2019 Cumulative Update. 

Note In case, reinstalling the language pack too fails to mitigate this bug, reset your PC as follows-

  1. Go to the Settings app > Recovery.
  2. Select Get Started under the Reset this PC recovery option.
  3. Select Keep my Files.
After installing KB4520062, Windows Mixed Reality Portal users might tackle a “15-5” error code. In certain situations, the media Portal may report that the headset is sleeping hence pressing “Wake up” may acquire no action.

To mitigate the issue, use the following steps:

  1. Close the Windows Mixed Reality Portal (if it is running).
  2. Open Task Manager by selecting the Start button and typing “task manager.
  3. In Task Manager, under the Processes tab, right-click Windows Explorer and select Restart.
  4. Open the Windows Mixed Reality Portal.

Note: The company is working on all the fixes discussed above for a resolution and will bring the same (if developed) in future releases.


How to get KB4520062 patch update

Before proceeding further, make sure to install the following Servicing stack updates on your PC-

1. Through Windows Update

You will auto receive the new patch update KB4520062 on your respective Windows 10 1809 series PCs through Windows Update. Additionally, you may download the patch update manually as well by visiting the following address-

Settings (Win+I) > Update & Security > Windows Update

After you reach the above location, press Check for updates option.

2. Through the Update Catalog

Download the Standalone Package for Windows 10 version: 1809.

3. Via Windows Server Update Services (WSUS)

If you configure Products and Classifications as described below, KB4520062 will auto-synchronize with WSUS.

  • Product: Windows 10
  • Classification: Security Updates

SourceMicrosoft Update Catalog