Why won't LibreOffice complete the installation?

Win7 64 bit Professional - Error message says Can not complete the installation. Nothing installed.
I have OpenOffice which I will NOT uninstall until I get a successful LibreOffice installation

Hi Glenn

See Q56157 for some very thorough win7 help on what seems the identical problem.

If this helps then please tick the answer (:heavy_check_mark:)

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