Windows 10 Patch Tuesday updates will remove Flash Player in July

Windows 10 Flash Player

Microsoft is in the process of slowly removing Flash Player
from all versions and editions of Windows 10. The optional
update that removes Flash Player is available for download
since February and it is showing up for users at different
intervals as part of the “phased” rollout approach.

In keeping with the announcement from last year, Microsoft has
quietly confirmed that Adobe Flash Player is finally going away
from every system with the mandatory Patch Tuesday security

In 2020, Microsoft explained that Flash Player will be removed
in phases. The company first ended support for Adobe Flash
Player on their web browsers (Edge and Internet Explorer 11).
In February, Microsoft published
Flash Player-killer KB4577586 as an optional update on
Windows Update (WU) and Windows Server Update Services (WSUS).

In our tests, we observed that applying Windows 10 KB4577586
from Windows Update or WSUS removes Adobe Flash Player
permanently from the system.

Flash Player removed
Adobe Flash Player nuked by optional update

As you can see in the below screenshot, this patch cannot be
removed manually, but users can still restore the player by
using an earlier system restore point or the “Reset this PC”

Flash Player killer update
Uninstall option missing

Patch Tuesday update will hammer the final nail in Flash
Player’s coffin

On April 27, Microsoft quietly updated
the original announcement with new changes that will go live in
June and July. As per the updated roadmap, a separate update is
no longer required to remove Flash Player.

Windows 10’s optional “C” and “D” updates, which will be
released in June, will remove the Flash Player.

For those unaware, C or D releases of Windows 10 updates come
out on the third or fourth week of the month. These updates are
completely optional and they include the majority of
non-security updates that will be shipped to everyone with
mandatory Patch Tuesday update, internally known as “B”

If you skip the optional update, Flash Player will be removed
with July Patch Tuesday Update.

Windows 10 21H1 will not ship with Flash Player

As expected, Windows 10 version 21H1, otherwise known as the
May 2021 Update, would be the first version of the OS to ship
without Adobe Flash Player. If you upgrade to the May 2021
Update, Flash Player will automatically stop working on your

After these changes, users can no longer continue using Adobe
Flash Player. If they want to use Flash Player, they’ll need to
hit the brake on Windows Update services.

The other option is to reinstall Windows without applying the
update. The last resort is running a completely separate
environment (virtual machine) on an old version of Windows.

It’s also important to understand that Microsoft will only
remove the Flash Player components automatically included in

This means if you use third-party solutions or installed the
player manually, it will not be removed.

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