Residual files from trial versions or older Office suites (like 2003 or 2007) can interfere with the path mapping.
When you run setup.exe , it reads this .cab file to extract necessary files to your computer. If the source media (DVD, ISO, or download folder) is damaged, interrupted, or incorrectly mapped, the installer fails to locate it. Causes of the Proplus.ww Propsww2.cab Error Download - Proplus.ww Propsww2.cab Office
This article provides a comprehensive guide to understanding this error and, more importantly, how to fix it by obtaining or repairing the propsww2.cab file. What is Proplus.ww Propsww2.cab? Residual files from trial versions or older Office