Remove all Microsoft office previous version in control panel and download - Windows Install Cleanup program fromhttp://www.softpedia.com/get/Security/Secure-cleaning/Windows-Installer-CleanUp-Utility.shtml
Select and Remove all the Microsoft office related programs (Don't touch others)
Clean up registry using ccleaner
Then try to install the MS-2010
It worked for me!!
I am sure it will work for u too