The right-click menu doesn't work with 64-bit versions of Windows XP, Vista, Windows 7 or 8. We do not have any updates that fix this problem.
However, here's an extremely simple way to fix it yourself and continue using our converters on any of your Windows computers.

Download WOW64Menu from this link http://www.gasanov.net/WOW64Menu.asp and install it.
You'll now have a new option called "Show Wow64 Menu" when you right click an audio file.
It looks like this

Once you click it, you'll see the Acoustica converter options as expected, like this

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