Excel plug-in claims Visual Studio tools not installed

Discussion created by jim.strange.valtech.1.460038382201603E12 on Sep 10, 2014
Latest reply on Mar 28, 2016 by 6d52f60dfccfd8c524d16435084065a8

Downloaded and installed .NET Framework 4
Downloaded and installed Visual Studio 2010 tools
Tried to install the Excel plug-in - claims Visual Studio 2010 tools is not installed.

Tried latest stable (2.1.2) and Beta (2.2.1) releases. No difference.
Rebooted and tried again. No difference.

What do i do to get this plug-in to work? I have Office 2010, running on W7 SP1.