Are you beginning by exploring the contents of the Installer disc, finding and right clicking the Setup.exe file?
From there choose Properties and click the Compatibility tab.
Check the top and bottom boxes ("Run in Compatibility mode: Win XP SP2" &
"Run as an Admin".
Now Right click the same Setup.exe file and choose "Run As Administrator".
Do you get this far? You may want to give us a call on the support line.