Affects
Windows 7, Windows 8, Windows 8.1, Windows Server 2012 R2’

Summary:
QuarkXPress throws an error while launching 'QuarkXPress 2016 requires Universal C Runtime in Windows (api-ms-win-crt-runtime-l1-1-0.dll)'

Solution:

Step 1 : Download the update on your Windows OS from https://www.microsoft.com/en-us/download/details.aspx?id=48234 (KB2999226)
Step 2 : Install Microsoft Visual C++ Runtime Library 2015 (included in release and will be installed by the installer)