When trying to generate Word reports, you may receive a "Microsoft Word 2002 or later must be installed in order to generate Word reports" message if you have the "Click-to-Run" version of Microsoft Office 2010 installed.
"Click-to-Run" versions of Microsoft Office 2010 do not add the necessary Office registry keys needed for CaseComplete to generate Word reports. Others have reported this issue:
From what we've found, the only workaround is to get the regular Office installer from Microsoft. To do that, see the last question in this article:
Update: Click-to-Run versions of Office 2013 and Office 365 ProPlus will work with CaseComplete without error.