Hello Dave and Bogdan (and other Windows users)!
The latest Soundset Installer versions have a problem on some Windows computers with the Sibelius 2018.x versions. We will fix this as soon as possible. In the meantime, please download and install the sound sets and the House Style manually.
http://eu.vsl.co.at/downloader.aspx?FileID=138821
Copy the sound sets (.xml files) to the following folder:
C:\Users\username\AppData\Roaming\Avid\Sibelius\Sounds
Copy the house style (.lib file) to the following folder:
C:\Users\username\AppData\Roaming\Avid\Sibelius\House Styles
Sorry for the inconvinience.
Best regards,
Andi
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Update: The VSL Soundset Installer for Sibelius 1.0.133 fixes the installation problem on some Windows computers with the latest Sibelius versions.
Vienna Symphonic Library