Security News > 2022 > April > Windows 10 KB5012636 cumulative update fixes freezing issues
![Windows 10 KB5012636 cumulative update fixes freezing issues](/static/build/img/news/windows-10-kb5012636-cumulative-update-fixes-freezing-issues-medium.jpg)
Microsoft has released the optional KB5012636 cumulative update preview for Windows 10 1809 and Windows Server 2019, with fixes for system freezing issues affecting client and server systems.
This update is part of Microsoft's scheduled April 2022 monthly "C" updates, and it allows Windows 10 users to test the fixes released on May 10th as part of next month's Patch Tuesday.
To install the KB5012636 update, you have to go to Settings > Windows Update and manually 'Check for updates.
You can also manually download and install this Windows 10 1809 cumulative update preview from the Microsoft Update Catalog.
"The preview update for Windows 11 and other supported versions of Windows 10 will be available in the near term," Microsoft said.
As already mentioned above, today's Windows 10 optional update comes with fixes for issues that trigger system freezes and crashes on some devices.
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