Even though you are logged in as Administrator account on the machine, you made need to use UAC in order to complete the installation or turn off UAC altogether.
With UAC:
- Right cliack and "run as administrator" on the installation package.
Remove UAC:
- Open control Panel
- Type "UAC" in the search bar on the top right of th page
- "Change user account settings"
- Slide the slider bar to the bottom.
Reboot will be required for it to take effect.