Office 2016 install is stuck on running package scripts with one minute left
I'm installing Office 2016 on the latest version OsX Sierra on a iMac (not certian of the release date). The installer then hangs up on the last process with one minute remaining. I've left the installer running for hours and even for a few days, with no progress. "stuck on running package scripts" is where it's stuck. There are no other application running, the HD is a TB with plenty of space left, a decent procecessor, and 8 GB of RAM.
Any suggestions?
iMac, iOS 10.3.1