Windows 10 KB4601380 is rolling out to fix screen rendering issues

Windows 10 KB4601380

Microsoft is rolling out Windows 10 KB4601380 optional
non-security update for version 1909 and older. Unlike the last
month’s optional update, this month’s preview comes with some
important bug fixes, including improvements for font and screen

Windows 10 KB4601380 is an optional update and it will be
installed only when you explicitly click on ‘Download and
install’ button. This is a full-fledged cumulative update and
it comes with a long list of bug fixes. However, Microsoft is
aware of a few known issues in this release.

Note that this patch applies to Windows 10 version 1909. For
those on version 20H2 and version 2004, a better cumulative
update with identical fixes will be released within the next
three weeks.

To install Windows 10 Build 18363.1411 update, here’s what you
need to do:

  • Open Windows Search.
  • Search for ‘View optional updates’.
  • Select the cumulative update and uncheck drivers.
  • Click on ‘Download and install’.
  • Or you can also download it from the Windows Update

You’ll see the following update if your device is ready for it:

2021-02 Cumulative Update Preview for Windows 10 Version 1909
for x64-based Systems (KB4601380).

If the update is failing via Windows Update and you’re stuck in
an installation loop, you can download the offline installers
and double click on .msu package to manually apply the update.

Download Links for Windows 10 KB4601380

Windows 10 KB4601380 Direct Download Links: 64-bit and
32-bit (x86).

Windows 10 KB4601380 (Build 18363.1411) Full Changelog

This month’s optional cumulative update has fixed an issue that
prevents Input Method Editor (IME) on some devices when you
insert strings.

For consumers, Microsoft has fixed an issue that affects fonts
rendering. Another bug has been fixed where users will
experience screen rendering issues when opening games with
certain hardware configurations.

Microsoft is also making improvements to SetWindowRgn API. For
example, a bug has been fixed where users cannot maximize,
minimize, or close a window when an app sets the window
region’s coordinates.

Windows 10 Build 18363.1411 will fix a random Blue Screen of
Death (BSoD) error that occurs at startup. There are fixes for
high memory and CPU utilization too.

Windows Update reliability improvements

Microsoft is also rolling out reliability improvements for
Windows Update and it has been pushed out to machines
running Windows 10 version 20H2 or older. It’s believed that
the reliability update has been released to prepare devices for
Windows 10 version 21H1,
which was officially announced by Microsoft yesterday.

KB4601380 update

It will deliver reliability improvements for Windows Update
itself, and attempt to free up disk space. It will also try to
compress your files to make room for future updates and
Registry will be modified as well.

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