It attempts to install, then sends back note "the file 'c:\users\xxxx\Appdata\local\Temp' is not a valid installation package for the product Evernote c. 6.11.2. Try to find the installation package 'Evernote.msi' in a folder from which you can install Evernote v. 6.11.2.
The older version of Evernote c.6.17.6 cannot be removed.