Everything You Need to Know About the Windows 10/11 Updates KB4503288 and KB4503281

New Version Update Upgrade

Microsoft regularly releases cumulative updates to resolve bugs, improve performance, and refine features. Last June 18, Microsoft released another batch of cumulative updates: Windows 10/11 updates KB4503288 and KB4503281. These updates apply to several supported versions of Windows 10/11, including the October 2018 and the April 2018 updates.

The main focus of these cumulative updates is to fix known bugs in the Windows 10/11 operating system, as well as bring some feature and performance improvements. For example, you can fix UI issues by downloading KB4503288 and KB4503281 on Windows 10/11.

The KB4503281 update specifically addresses the Windows 10 version 1709 bugs, while the KB4503288 resolves issues with Windows 10 version 1803. This article will discuss the major changes and improvements brought by each of these cumulative updates.

KB4503281 Update for Windows 10/11 Version 1709

The KB4503281 update for Windows 10/11 1709 brings the build to version to 16299.1237. Before installing this update, make sure you have the latest Servicing Stack Updates (SSU) installed on your computer to improve the chances of successfully completing the update and preventing installation errors.

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Here’s a tip: To prevent errors from happening during the update process, it is recommended that you optimize your computer first and run your trusted anti-malware software to get rid of unwanted factors.

Here is the complete list of the major changes and quality improvements included in the KB4503281 update:

  • Fixed an issue that prevents Windows from loading new icon files when an icon file with a bad format is encountered.
  • Fixed an issue that stops Microsoft Edge from launching properly in certain situations when you click a link within an app.
  • Fixed a bug that prevents the Calculator app from applying the Gannen setting, even when it is enabled.
  • Fixed a 3D issue with Internet Explorer 11 and other apps that use direct composition.
  • Resolved an issue that causes the UI to be unresponsive for a few seconds when scrolling multiple windows.
  • Fixed a bug that lets users disable the sign in background image whenever the Computer\Administrative Templates\Control Panel\Personalization\Prevent changing lock screen and logon image policy is enabled.
  • Resolved an error with analyzing the compatibility status of the Windows system to ensure compatibility for all updates to the operating system.
  • Fixed a notification error where the system fails to update a user hive once an optional package in a Connection Group is published after the Connection Group was already been published.
  • Provides support for a configurable safe list for ActiveX controls, even when using Windows Defender Application Control.
  • Fixed an issue when using Data Protection Application Programming Interface NG (DPAPI-NG) or a Personal Information Exchange Format (PFX) file.
  • Addressed an issue that prevents users from signing into a Microsoft Surface Hub device because the previous session did not end successfully.
  • Fixed an issue that could prevent Windows Information Protection (WIP) from implementing encryption on a USB device.
  • Resolved a bug that causes Windows Account Manager (WAM) to fail and prevents the user from authenticating when using a Trusted Platform Module (TPM).
  • Fixed a problem that causes Disk Management and DiskPart to become unresponsive when connecting a removable disk to Windows.
  • Resolved a bug that causes Office 365 apps to stop working immediately after launch when they are opened as App-V packages.
  • Set Microsoft Visual Basic Script (VBScript) as disabled by default in Internet Explorer and the WebBrowser control.
  • Fixed a programmatic scrolling error in Internet Explorer 11.
  • Fixed the MMC has detected an error in a snap-in and will unload it error when you use Custom Views in Event Viewer.

Known Issues with the KB4503281 Update

Some operations done on Cluster Shared Volume (CSV) files or folders may result in a STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5) error. This error happens because you are performing an action without sufficient administrator privileges. To fix this error, make sure you have administrator privileges or perform the action from a node that does not have CSV ownership.

The KB4503281 update may also cause connection issues with Storage Area Network (SAN) devices using the Internet Small Computer System Interface (iSCSI). When this happens, you’ll get an Event ID 43 error with the following description: Target failed to respond in time for a login request. Microsoft is working on a fix for this error and will probably release it in the next update.

How to Install the KB4503281 Update

To install the KB4503281 update, click Start > Settings. Click on Update & Security > Windows Update, then click the Check for updates button. You can also download the standalone package here.

KB4503288 Update for Windows 10/11 Version 1803

The Windows 10/11 KB4503288 cumulative update for version 1709 brings the build to version to 17134.858.

The KB4503288 update offers the same quality improvements and key changes as KB4503281, plus the following extra fixes:

  • Fixed an issue that causes a mouse press-and-release action to sometimes produce an extra movement.
  • Resolved an issue that causes Microsoft Outlook to freeze or become unresponsive when closing an email.
  • Fixed a bug that deletes UserRights policies when you remove a device from a mobile device management (MDM) server or when Microsoft Intune deletes a UserRights policy.
  • Fixed an issue that prevents the correct application of a provisioning package when it is used to invoke the CleanPC configuration service provider (CSP).
  • Fixed a system issue when preboot kernel Direct Memory Access (DMA) protection is enabled. This fix also applies to DRIVER_VERIFIER_DMA_VIOLATION errors.

Known Issues with the KB4503288 Update

The KB4503288 update shares the same issues with the KB4503281 update. However, some Windows 10/11 users have reported encountering a black startup screen during the first login after installing the update. As a workaround, Microsoft suggests restarting the device by pressing Ctrl + Alt + Delete, clicking the Power button on the screen, then choosing Restart from the options provided. This should allow the system to restart normally.

How to Install the KB4503281 Update

You can install the KB4503281 update by running a manual check using Windows Update. Alternatively, you can download the standalone package from the Microsoft Update Catalog website.

Final Notes

If you are experiencing any of the issues these updates are designed to fix, installing the KB4503288 and KB4503281 Windows 10/11 updates is a smart choice. These cumulative updates bring a whole slew of fixes and improvements to Windows 10/11. You can download Windows 10/11 KB4503288 and KB4503281 updates to fix UI issues and other bugs listed above.

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