It appears that Microsoft has changed its naming convention on their OS's. They have dropped the name Microsoft in front and standarized the version and bit information. This is to align with Windows 8 naming convention.
Microsoft Windows 7 Professional Edition, 32-bit
Windows 7 Professional 32
This has really thrown a wrench into previous written queries and reports. We are in the process now of normalizing with Data Analytics and contacting Microsoft on when this change was made.