Windows 10 update finally fixes annoying SSD drive issue

Windows Optimize Drives Tool

Some users believe that it’s not sensible to defrag the SSDs at
all, but Microsoft experts have previously stated that Windows
10 does defragment your SSDs on purpose and it’s normal.

Typically, SSD is defragged once a month by default if you’ve
Volume Shadow Copy feature enabled. Volume Shadow Copy is
enabled when you manually turn on Windows System Restore, which
is a feature that allows you to roll back to a previous version
of the OS.

To facilitate the drives optimization process, Windows 10 comes
with a tool called “Optimize Drives” that would record the last
time a drive has been optimized/defragged/trimmed.

Windows also use the Automatic Maintenance feature to automate
the defragmentation or optimization process.

Windows 10’s Automatic Maintenance is a feature that helps to
keep your computer healthy with automated system optimizations
when required. During its casual run, this feature will run
specific maintenance tasks, such as security scans, system
scans, and disk optimization or defragmentation.

The Automatic Maintenance feature relies on the “Optimize
Drives” tool to see if the drives need to optimized (defragged
when required). With May 2020 Update (version 2004),
Microsoft broke the Optimize Drives (aka defragmentation
tool) and the defrag tool was unable to flag that it’s
already done a scheduled optimization on your SSD.

Optimize Drives tool

The tool could warn you that your storage is unoptimized when
it is not. If you try to optimize the already optimized drive,
the process will finish instantly and Windows won’t make any
changes to the drives.

The problem about this flaw, though, is that the Automatic
Maintenance feature could end up defragging your SSDs on every
reboot because the built-in defrag tool doesn’t correctly
report that it’s already done scheduled defragmentation on your

Microsoft patches the SSD defragger bug in September 2020

Windows 10 KB4571756 (Build 19041.508), Microsoft has
finally resolved the issues with Drive Optimize tool and
Windows will stop defragging your SSDs automatically on every

Here’s a timeline of how the bug was discovered and

  • Windows Insiders flagged the issue in January 2020.
  • January’s preview Build 19551 resolved the issue.
  • The bug somehow slipped into the final release of May 2020
  • On August 14, Microsoft told us they’re aware of the
  • Build 19041.488 August optional update fixed the bug in May
    2020 Update.
  • Build 19041.508 patches the problem for everyone running
    May 2020 Update.

If you’re aware of any other issues with May 2020 Update
(version 2004), let us know in the comments below.

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