in my computational reality, windows explorer is evil, like google is evil.
i have not used windows explorer since windows 98.
@VBB might tell you different......
https://www.justice.gov/atr/file/704876/download
"Microsoft's fusion of Windows Explorer and Internet Explorer may confuse consumers"
but there is a beta version of rclone that might be helpful
you can download the beta from
https://beta.rclone.org/rclone-beta-latest-windows-amd64.zip
and try to use --vfs-cache-mode=full