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With KB5043178 to Release Preview Channel, Microsoft advises Windows 11 users to plug in when the battery is low

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KB4343909 fixes DLL and high CPU issues on Windows 10 v1803

3 min. read

Published onAugust 16, 2018

published onAugust 16, 2018

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TheWindows 10April Creators Update recently received a new cumulativeupdateon August Patch Tuesday:KB4343909. Thispatchfocuses on quality improvements only and doesn’t add any new OS features.

Windows 10KB4343909 brings additional security improvements for the latestSpectre and Meltdown threat variations.

Provides protections against a new speculative execution side-channel vulnerability known as L1 Terminal Fault (L1TF) that affects Intel Core processors and Intel Xeon processors (CVE-2018-3620 and CVE-2018-3646). Make sure previous OS protections against Spectre Variant 2 and Meltdown vulnerabilities are enabled using the registry settings outlined in theWindows ClientandWindows Server guidanceKB articles.

At the same time, thisupdatefixes the issue that causeshigh CPU usageon some machines equipped with Family 15h and 16h AMD processors. Users affected by this issue usually experience performance degradation and lag. However, not allWindows 10v1803 users are affected by this issue. As Microsoft explains, this bug occurs after installing the June 2018 or July 2018Windows updatesalongside the AMD microcode updates that address Spectre Variant 2.

If you’re still experiencing high CPU usage after installing thisupdate, you can use the troubleshooting guides listed below to fix this issue:

Users who experiencedsevere battery life issuesafter upgrading toWindows 10version 1803 should download and install KB4343909 as soon as possible. Thepatchsuccessfully addressed this problem and you should no longer experience abnormal battery depletion rates.

If you’re still experiencingWindows 10battery drain issues, here are some guides to help you fix the problem:

KB4343909 changelog

These are the most important improvements packed by this patch. Additional fixes include:

Download KB4343909

You can download KB4343909 fromMicrosoft’s Update Catalog website. You can also download the update automatically throughWindows Update.

Have you encountered any issues after installing KB4343909? Let us know in the comments below.

More about the topics:patch tuesday,Windows 10 April Update,windows 10 updates

Madalina Dinita

Networking & Security Specialist

Madalina has been a Windows fan ever since she got her hands on her first Windows XP computer.

She is interested in all things technology, especially emerging technologies – AI and DNA computing in particular.

Prior to joining the WindowsReport team, she worked in the corporate world for a number of years.

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Madalina Dinita

Networking & Security Specialist

Madalina is a Windows fan since forever, especially interested in AI, emerging technologies, privacy, and security.

With KB5043178 to Release Preview Channel, Microsoft advises Windows 11 users to plug in when the battery is low#

Copilot in Outlook will generate personalized themes for you to customize the app#

Microsoft will raise the price of its 365 Suite to include AI capabilities#

Death Stranding Director’s Cut is now Xbox X|S at a huge discount#

Outlook will let users create custom account icons so they can tell their accounts apart easier#

KB4343909 fixes DLL and high CPU issues on Windows 10 v1803#

KB4343909 changelog#

Download KB4343909#