Microsoft released KB4509479 Patch Tuesday updates for Window 10 version 1809 (OS Build 17763.593). This Cumulative update incorporates fixes for security bugs and quality improvements instead of new features.
The Window 10 version 1809 previous cumulative update KB4497934 for PCs running the October 2018 Update. Much like different cumulative updates, the new KB4497934 offers a lot of bug fixes and performance improvements. But what is unusual here in this update is that it also brings a new feature.
Starting with update KB4497934, we are introducing functionality that allows you to decide when to install a feature update. You control when you get a feature update while simultaneously keeping your devices up to date. Feature updates that are available for eligible devices will appear in a separate module on the Windows Update page (Settings > Update & Security > Windows Update). If you would like to get an available update right away, select Download and install now. To find out additional regarding this feature, please go to this blog.
KB4509479 offline installer / direct download links are available in this blog post, you can use these official links to apply Patch Tuesday update to your particular Windows 10 version to address a number of issues.
Along with a list of changes of Patch Tuesday updates, Microsoft has revealed known issues that the users may face after installing the update. They have also published workaround for the known issues.
You can also Download the previous cumulative update KB4501371 (OS Build 17763.592) and KB4503288 (OS Build 17134.858) on June 18, 2019.
Changelog of KB4509479 Update:
• Addresses an issue that may prevent devices from connecting to some Storage Area Network (SAN) devices using the Internet Small Computer System Interface (iSCSI) after installing KB4497934. You may also receive an error in the System log section of Event Viewer with Event ID 43 from iScsiPrt and a description of “Target failed to respond in time for a login request.”
If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.
Windows Update Improvements
Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn’t apply to long-term servicing editions.
Known issues in this update
Symptom Workaround sure operations, like rename, that you must perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege.
To perform the operation of the following:
• Perform the operation from a process that has administrator privilege.
• Perform the operation from a node that doesn’t have CSV ownership.
Microsoft is working on a resolution and can offer an associate update in an upcoming release. After installing KB4493509, devices with some Asian language packs installed may receive the error, “0x800f0982 PSFX_E_MATCHING_COMPONENT_NOT_FOUND.”
• Uninstall and reinstall any recently added language packs.
• Select Check for Updates and install the April 2019 Cumulative Update.
Note If reinstalling the language pack does not mitigate the issue, reset your PC as follows:
• Go to the Settings app > Recovery.
• Select Get Started under the Reset this PC recovery option.
• Select Keep my Files.
Microsoft is working on a resolution and will provide an update in an upcoming release. We are investigating reports that any low range of devices may start-up to a black screen during the first login after installing updates. To mitigate this issue, press Ctrl+Alt+Delete, then choose the Power button in the lower right corner of the screen and select Restart. Your device should now restart normally.
Download & Install this update
To download and install this update, go to Settings > Update & Security > Windows Update and select Check for updates.
Direct download links for KB4509479 MSU (Microsoft Standalone Update) file from Microsoft Update Catalog: