[Libreoffice-bugs] [Bug 108580] Cannot run LibreOffice, api-ms-win-crt-runtime-l1-1-0.dll is missing ( for local solution see comment 7)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=108580

--- Comment #11 from Mike Kaganski <mikekaganski at hotmail.com> ---
Sigh.

A discussion in a blog by Visual C++ team [1] describes this in detail.

> On Windows Vista and newer operating systems, the Universal CRT is
> installed via Windows Update—either when the machine downloads new
> updates from the web or when you install one of the redistributable
> packages from the Download Center (the November build, 10586, can be
> found here:
> http://www.microsoft.com/en-us/download/details.aspx?id=50410).
> Windows Update redistributables do not use MSI; they have a different
> installer technology. Because they do not use MSI, there are no MSMs
> for the Universal CRT. For Windows Vista and newer, installation of
> the Windows Update packages is the only supported way to get the
> Universal CRT onto the machine in the system directory. The Visual C++
> libraries MSMs install the Universal CRT on Windows XP only because
> the Universal CRT is not an operating system component on Windows XP
> (and Windows XP does not support the same Windows Update packaging
> mechanisms that are used on Windows Vista and above). Do not modify
> the MSMs.

So, it turns out that we cannot bundle the Universal CRT with the installer. In
that case, we have a hard external dependency on those systems, that we must
mention on release notes page. And possibly on the download page, with a link
to MS site (mentioned in comment 7).

[1]
https://blogs.msdn.microsoft.com/vcblog/2015/03/03/introducing-the-universal-crt/

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