Windows 10 cumulative updates reportedly causing system slowdowns

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Windows 10 October 2018 update desktop

The users are reporting that their Windows 10 devices have
slowed down following the April 2019 cumulative updates. On
Tuesday,
Microsoft began rolling out the April 2019 cumulative updates
to Windows 10, 8.1 and 7 PCs. As per the reports, the
update causes various issues because of the conflicts between
the update and the antivirus software.

Following the installation of Windows 10 KB4493509 and
other updates, users are reporting substantial slowdowns and
system freezes.

On a Reddit thread,
various comments claim that their Windows 10 installation has
slowed down after upgrading the PCs to April 2019 cumulative
update.

“This update locks my PC up surprisingly enough. Upon
installation my next reboot is completely frozen, I can’t move
the mouse, click on anything,” a Reddit user explains.

The update has reportedly made their computers unresponsive and
some are also experiencing occasional freezes. The features
like Task Manager also take a couple of minutes to show up on
the desktop.

“My computer has slowed down A TON since this update. Startup
takes ages. Can’t even access task manager for a few minutes,”
another Reddit user documented the problem.

Windows 10 KB4493509 slowdowns some systems

Many users who installed the latest patch for Windows 10
October 2018 Update are also hit with similar bugs. The patch
has reportedly update made certain computers unresponsive
on first boot after the install and there are occasional
slowdowns as well.

“Installed Version 1809 KB4493509. After reboot it took several
minutes at the login screen (not usual on my SSD where it only
takes seconds), before I reached the Windows desktop screen. I
uninstalled the update and used the “Windows Show and Hide”
tool, to hide the update, and now my issue has gone,” another
Reddit user stated.

In a post to the
Microsoft Answers forum, a user has also documented a similar
problem with KB4493509. In another forum,
users have claimed that April 2019 cumulative update to Windows
10 causes freezes and the system also hangs up.

Windows 10 issue

Antivirus software and Patch Tuesday updates conflict

It appears that there is a conflict between antivirus software
and the April 2019 cumulative updates for Windows 10 and as
well as Windows 7.

This issue is not just based on the KB4493509 update and it
could be associated with other updates released on Tuesday as
well. The antivirus vendors are also trying to figure out a
possible reason for the conflicts.

In a support doc, Avast
acknowledged that cumulative updates (KB4462223, KB4493472,
KB4493448, KB4464520, KB4462230 and KB4493435) from Microsoft
is causing performance issues on Windows machines.

Avira, in a support doc, has
acknowledged that KB4493509 for Windows 10 and
KB4493472 and KB4493448 for Windows 7 will cause performance
issues.

“We could reproduce the described behavior. This is
occurring because of a current Windows Update, the post reads.

How to resolve freezes, slowdowns after April 2019 updates

In case you have antivirus software installed and you are hit
with performance issues after the April 2019 Windows updates,
you can uninstall the flawed patch to address the problem.

On Windows 10, Settings > Windows Update and select View
update history. Look for KB4493509 and uninstall it.

On Windows 7, go to Control Panel > Windows Update
> Show Update History → Installed Updates.
Uninstall KB4493472 and KB4493448 from your
Windows 7 machine.

Is April 2019 cumulative update also creating problems for you?
Let us know in the comments below.



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