Cannot rename a folder because Windows says a file in it is open

[LSXXX]

This has been a really, really dumb problem for decades. So it always amazes me when the people who contribute to this forum act as if they have never seen it .Windows uses an obsolete process called Thumbnail caching. It theory, it used to speed up searches back in the early days (read 1990's) of Windows. When you open a directory, it creates a thumbnail image, and if you try to rename, move or delete the directory, Windows will not let you, saying that something is open in that directory.I know this because before my company outsourced IT to IBM (read "India"), we could have this thumbnail

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