If you do not have a valid qualifying product, return the Microsoft Office 2003 Upgrade product, and purchase a full retail version of the Microsoft Office 2003 product.Most of you download and use pirated software from torrents or any such other sites, but sometime it gets very difficult to find serial key of those software. If the setup program is unable to detect a qualifying program on the computer (such as Office 97 or Office 2000 or Office XP), an error occurs. The setup program for the upgrade version of Microsoft Office 2003 attempts to detect qualifying software on the computer on which it is running.
The upgrade version requires that a qualifying product is installed on your computer or that the installation media from the qualifying product is available when you run the Setup program. Microsoft Office 2003 is available as a non-upgrade version (full version) and as an upgrade version. Complete the installation for Microsoft Office 2003.
When you attempt to install the upgrade version of any of the products listed at the beginning of this article, you may receive the following message: The following information applies if you encounter Error 1608: Setup Could Not Locate a Previous Version of Office. Previous page next page Locating a Previous Version of Office