There are a few steps for Windows 10 that were not needed on Windows 7. There are also some suggestions that make installation go smoother. Be sure to refer to the [install guide][1].
Disable the Action Center by following the steps listed here: https://www.howtogeek.com/244539/how-to-disable-the-action-center-in-windows-10/
Disable Cortana following the steps listed here: https://www.windowscentral.com/how-turn-cortana-and-stop-personal-data-gathering-windows-10
Check any antivirus, firewall, UAC and make sure they are disabled during installation. You can re-enable them after installation is complete.
Run the stepup.exe of UFT 14.03 with full administrator rights.
[1]:https://admhelp.microfocus.com/uft/en/14.03/UFT_Install_Guide.pdf