Originally installed Office Pro 2007 on Vista which was upgraded to Windows 7. I've put in a larger hard drive and Office Pro 2007 will not install. Get virus message that the autorun.exe on the disk is a "Trojan.win32.pincav.ebw" virus. Disabling virus programs - Kaspersky and Windows defender - allows me to see the files on the disk but still will not install. I have original disks and the Key. Kaspersky's site says the virus message is a "false positive" due to the way virus programs treat older install routines and says Microsoft should be able to fix. Microsoft will not help unless I pay them $250 up front with no guarantee of fixing.