Hi,
Please right click "computer", select "Properties" to confirm your current operating system.
This issue occurs when one of the following conditions is true:
•The operating system on which you are trying to install Office 2010 does not meet the system requirements for the product. For example, you are trying to install Office 2010 on a Windows XP-based computer that does not have Windows XP Service Pack 3 installed.
•The Office 2010 Setup program (Setup.exe) is configured to run in compatibility mode. That is, the Setup program is set to run under a particular operating system, such as Microsoft Windows 95.
The detailed information, please refer to this article:
http://support.microsoft.com/kb/2267642
If the issue still persists, please let us know the exact error message.
Karen Hu
TechNet Community Support
