With every new version of Quicken, many changes are made. Over time, the core product changes drastically from the much older versions, which may cause problems when upgrading to a newer version of Quicken. Intermediate versions of Quicken serve as translators in the upgrade process. It may be beneficial to install an intermediate version of Quicken first before updating to a more recent version.
Let's say you are currently using Quicken for Windows 2001 and want to upgrade to Quicken for Windows 2012. You will want to install Quicken 2004 first (the intermediate version) so your file can convert properly to the newer format. Once your file has been properly converted, then you can install Quicken 2012 and convert your file again. It's like taking small, careful steps instead of one giant leap.
If you are converting to Quicken 2005 or later, use Quicken 2004 for Windows as an intermediate.
If you are having difficulty converting to the most current version of Quicken, you may need to use one of the following: