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Download the latest Windows 10 updates to fix Event Viewer bugs

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Updated onMay 18, 2020

updated onMay 18, 2020

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Microsoft just rolled out new cumulativeupdatesforWindows 10.KB4509477,KB4509478andKB4509479address existing issues inWindows 10, v1709, Windows 10 v1803, andWindows 10v1809 respectively.

If we look at the changelogs, all of theseupdatesinclude a single change. Previousupdatesintroduced anEvent Viewer buginWindows 10. Microsoft fixed this issue in the recent releases.

At the time of writing this article, there are no reports of installation issues. We will keep you updated once more details are available.

KB4509477, KB4509478, KB4509479 major features and improvements

KB4509477, KB4509478, KB4509479 major features and improvements

Event Viewer bug fix

Microsoft rolled out KB4509477, KB4509478, KB4509479 to resolve a bug affectingEvent Viewer.

Previously, some devices were unable to connect to some Storage Area Network (SAN) devices that used iSCSI. This issue triggers the following bug “Target failed to respond in time for a login request”.

Thankfully, the bug has been fixed for all users now. If you are experiencing the same issue, you need to update your system as soon as possible.

Known issues

Known issues

Although theupdatesfixed the Event Viewer bug inWindows 10. However, recent releases bring their own issues.

Microsoft warns that you may experience issues while performing some specific operations on folders or files. Microsoft says that the operations may fail with the errorSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5).

This issue is caused after the installation of KB4509477, KB4509478, KB4509479.

Secondly, Microsoft acknowledged that users who installed kb4509478 may see ablack screen at startup.

Microsoft is currently working on fixinf these issues. We expect to receive a patch on July Patch Tuesday.

Download KB4509479, KB4509478, KB4509477

These updates should be available automatically on your system. You can install latestupdatesfromSettings>Update & Security>Windows Updateand selectCheck forupdates.

If theupdateis not available via Windows Update, you can visit the Microsoft Update Catalogue to download theupdatemanually on your system.

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More about the topics:windows 10

Milan Stanojevic

Windows Toubleshooting Expert

Milan has been enthusiastic about technology ever since his childhood days, and this led him to take interest in all PC-related technologies. He’s a PC enthusiast and he spends most of his time learning about computers and technology.

Before joining WindowsReport, he worked as a front-end web developer. Now, he’s one of the Troubleshooting experts in our worldwide team, specializing in Windows errors & software issues.

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Milan Stanojevic

Windows Toubleshooting Expert

Before joining WindowsReport, he worked as a front-end web developer. Now, he’s specialized in Windows errors & software issues.