Another thread about it
***here***.
Apparently the DVD version that had StarForce v3 (published by Digital Jesters in the UK) is unplayable on Vista and newer versions of Windows because there was never a NoDVD made for it.
However Uncle Reg reported that the CD version of Moment of Silence published by The Adventure Company in the US (which had no copy "protection") played for him on Windows 7x64.
Try to get the CD version (published in the US).
You may be able to get one through American eBay from a seller who ships internationally. For example
http://www.ebay.com/itm/130694170711I would not recommend trying to force the StarForce drivers to install because of what happened to someone in
***this thread at sevenforums***.