Why can Libreoffice writer table function keep column width exactly as I specify without making adjustments?

I just set up a Win 10 x64 PC for use as a chromatography data station. I used snip & sketch to get the desired screen image of the chromatogram, I copied and went to do edit-past-special into Writer document, and image would not paste. I sent image over to one of my PC’s using Writer 6.2.6.2 for Ubuntu 19.10 and edit-paste-special worked correctly.

Why should x64 version of Writer behave differently than Ubuntu x64-bit version?

John

Please always leave a reference to the duplicate question - because others would find this one looking for a solution, but only will find it closed without any useful information. Thanks!