Microsoft Update Health Tools appears to be rolling out to
users as part of Windows 10 KB4023057, which is a mandatory
update for all versions of the OS. It is regularly re-released
by Microsoft, especially when a device is reaching the end of
support period or a big feature update is around the corner.
In the last week of February,
Microsoft again started pushing KB4023057 and the
company said that it includes “includes reliability
improvements to Windows Update Service components”.
KB4023057 was first released for April 2018 Update (1803) and
all older Windows 10 versions in 2018, and it added
improvements to Windows Update reliability. The update has been
re-issued several times with support for new versions of the
Microsoft has now confirmed that KB4023057 is
rolling out to Windows 10 version 20H2, version 2004 and older
versions. It is supposed to remove the upgrade blocks, modify
Registry, change network and Windows Update settings to enforce
Interestingly, some users have noticed that the KB4023057
update also contains a new DLL file, which is for “Microsoft
Update Health Tools”.
What is Microsoft Update Health Tools?
Microsoft Update Health Tools will reset your network settings,
clean up your Registry keys, repair disabled or corrupted
components, free up disk space, and reset the Windows Update
database when something is “preventing updates from being
Microsoft Update Health Tools is designed to run in the
background only when it detects problems with the Windows
Note that ‘Microsoft Update Health Tools’ is not a new software
and it was first published by the company last year. It is now
rolling out to more users with Windows 10 reliable update
How to check if Microsoft Update Health Tools is installed
To check if Microsoft Update Health Tools is installed on your
device, follow these steps:
- Open Settings.
- Click on “Apps”.
- Under “Apps & Features”, search for “Microsoft Update
As of this time, it seems to be limited to a small number of
It’s also worth noting that Microsoft had accidentally
deployed this update with an unsigned DLL file, which was
getting blocked by Microsoft’s own Defender Exploit Protection.
After users flagged
this behaviour, Microsoft published a properly signed version
of the DLL for Microsoft Update Health Tools.