<p>Despite VC++ 2017 the installer is still attempting to deploy VC++ 2015, which then leads to the installer reporting a setup failure&nbsp;&nbsp;- Error 0x80070666 - if VC++ 2017 is already installed.</p>

<p>See&nbsp;<a href="https://forum.team-mediaportal.com/threads/mp2-768-installation-setup-failed-error-0x80070666-vc-2015-2017-redist-bug.138544/#post-1249828">https://forum.team-mediaportal.com/threads/mp2-768-installation-setup-failed-error-0x80070666-vc-2015-2017-redist-bug.138544/#post-1249828&lt;/a&gt;&nbsp;&lt;/p>