In case it helps anybody else.
I got this error on Windows 10 after a failed install (and subsequently successful) of MS Office 2016:
"The code execution cannot proceed because VCRUNTIME140_1.dll
was not found. Reinstalling the program may fix this problem."
The error was displayed when attempting to launch any MS Office app.
Firefox browser simply stopped working although it didn't display any errors.
After trawling through numerous sites offering fixes that worked for some folks but not others, I found the site www.techpowerup.com site offering a download of ALL the Microsoft Visual C++ Redistributable Runtimes in an All-in-One package.
I downloaded it, virus-checked the download, had a look at the install.bat file, then ran it.
Within a couple of minutes the series of installs all completed, and my apps all worked.
This turned out to be a very easy fix, thanks to the folks who compiled the All-in-One package.