Security News > 2021 > February > Windows 10 KB4601380 update fixes screen rendering issues
Microsoft has released the KB4601380 non-security update for all editions of Windows 10, version 1909, and Windows 10, version 1809, with fixes for screen rendering and Microsoft Defender for Endpoint high resource usage issues.
After installing this preview cumulative update you may experience issues with system and user certificates getting lost if updating with outdated update media from Windows 10 1809 or later versions.
"The preview update for Windows 10, version 20H2 and Windows 10, version 2004 will be available in the near term," Microsoft added in a Windows Message Center update.
More info regarding the types of updates released by Microsoft each month can be found in the Windows 10 update servicing cadence primer.
With the KB4601380 monthly "C" release preview update, Microsoft addresses an issue that leads to screen rendering problems when launching games on systems with certain hardware configurations.
Microsoft advises users to install the latest servicing stack update before this cumulative update is deployed to minimize udpating issues.
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