During installation of Jet Essentials, WIndows can return an error to the setup program and the following message is displayed:
This issue is caused when Microsoft Office has been 'downgraded' and an entry for the newer version of Office (which has been removed) remains in the Windows Registry.
A system administrator with authority to make changes to the Windows Registry can search for an extra registry entry under
The administrator can then remove the extra entry for the version of Office that is *no longer installed*
Office 2016: 1.9
Office 2013: 1.8
Office 2010: 1.7