That was it - thanks very much!

In case the link below breaks or the archive vanishes, here's the text of the article:

*** Text Begins ***

DOCUMENT:Q303834 09-AUG-2001 [foxpro]
TITLE :Setup Returns Error When the Source Path Contains Spaces
PRODUCT :Microsoft FoxPro
PROD/VER::7.0
OPER/SYS:
KEYWORDS:kbsetup kbvfp kbGrpDSFox kbDSupport kbvfp700

======================================================================
-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft Visual FoxPro for Windows, version 7.0
-------------------------------------------------------------------------------

SYMPTOMS
========

When you attempt to install Visual FoxPro 7.0, the Windows Component Update
portion of the setup may not complete successfully and you may receive an error
message that resembles the following:

winmain() error. Cannot locate expected executable last word of path or share
name\wcu\runprog.exe C:\WINNT\System32\msiexec.exe

Each component that fails to install successfully has an X next to it in the list
that is displayed when the Windows Component Update completes.

CAUSE
=====

The path to the installation folder or the share contains a space.

RESOLUTION
==========

To work around this problem, do one of the following:

- Remove the spaces in your share name or path.

-or-

- Install the components that fail by using their individual install routines,
which are documented in the \WCU\Help\Moreinfo.htm file on the Visual FoxPro
7.0 Professional CD.

STATUS
======

Microsoft has confirmed this to be a bug in the Microsoft products listed at the
beginning of this article.

MORE INFORMATION
================

This problem does not occur when you install Visual FoxPro from the CD on a
local computer or from a share that does not contain spaces in the path. The
problem can occur if you install Visual FoxPro from a shared CD with a space in
the share name, or if the CD contents are copied to a network share and the
share path contains a space.

Steps to Reproduce This Behavior
--------------------------------

1. Copy all of the directories and files from the Visual FoxPro CD. If you
downloaded Visual FoxPro as an MSDN Universal Subscriber, copy the
directories to a folder named Visual FoxPro .

2. Run the Setup program and select Windows Component Update.

Additional query words:

======================================================================
Keywords : kbsetup kbvfp kbGrpDSFox kbDSupport kbvfp700
Technology : kbVFPsearch kbAudDeveloper kbVFP700
Version : :7.0
Issue type : kbbug
Solution Type : kbnofix

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS
PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS
ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO
EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR
ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL,
CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF
MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES
SO THE FOREGOING LIMITATION MAY NOT APPLY.

Copyright Microsoft Corporation 2001.

*** Text Ends ***

>ftp://ftp.microsoft.com/MISC1/DEVELOPR/FOX/KB/Q303/8/34.TXT
>
>>Installing VFP7 is a 2- or 3-step process. The first step is "Windows Component Update". For me this first step is failing when installing on Server 2012 R2 with the error in the attached image.
>>
>>This happens when running the installer either as a normal user or as an administrator.
>>
>>Ideas, workarounds? e.g. how to bypass the first step?
>>
>>Ironically, VFP5 installs just fine :(