The most common case (for me, at least) is an application has the directory as its current directory.

The second most common case (for me, at least) is Explorer* keeping a handle to the directory open for no apparent reason. Nothing short of restarting Explorer (which means rebooting) or messing with its internals using Process Explorer will close the handle as far as I know.

* — Explorer is the program that provides Folder windows, Windows Explorer windows, My Computer windows, the Destkop, the Taskbar and more) holding

In reply to Re^4: Moving directories on Win32 by ikegami
in thread Moving directories on Win32 by aplonis

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