Windows cannot find "c:\program files\microsoft office\root\office16\outlook.exe

ISSUE

When users attempt to start an Office Application the following error may occur:

Windows cannot find "c:\program files\microsoft office\root\office16\outlook.exe" Make sure you typed the name correctly, and then try again.

This issue may occur for any Office application and for other non-Office applications.

STATUS: FIXED 

The cases we investigated were due to Avast and confirmed in the Avast forum, https://forum.avast.com/index.php?topic=233129.msg1549710#msg1549710.  Per the guidance in that thread a fix has been released and you will get an automatic update.  Please see the specifics in that thread for more information.