Microsoft finally acknowledged the issue in response to an initial failure of its product. "Affirmative, as you say it could be part of Out-Of-Box Experience in using a brand-new Surface Laptop 4,"...

Microsoft community members are talking about this issue like it happens all the time in Boot Camp that I don't have.
"No chance to see the consistency with Explorer in that arena", is true to say...

Bringing Disk Management into Settings
Announcing Windows 10 Insider Preview Build 20197 | Windows Insider Blog



[It's... a sketch as promised, showing the discussion at Microsoft Japan...

(continued) This kind of inconsistency between the existence and the actual state of a drive letter assignment is business as usual for Windows with such a long history, not only users to live with...

Oops! can edit no longer...

For example, you could take action to remove a drive letter that Recovery Environment has assigned to Windows partition (if not, first assign any letter left at your...

Yes, it does occur on my system with Windows 10 only (a two-drive PC configuration into two single-boot systems). As a matter of fact, a straightforward SSD replacement as preventive maintenance...

Yeah! That's exactly what I mean.
And then up-to-date ver.2004 now proved it outstanding over the years.....

I do update that post, but not here.

Please kindly see also https://www.tenforums.com/general-support/37054-storage-bug-summary-capacity-usage-greater-than-disk-partition-size-post2036820.html#post2036820

And then up-to-date ver.2004 now proved it outstanding over the years.....

There must be a common cause so far unknown (playing with us).
Microsoft has not yet responded in this matter at...