Here's how to check on Win 2000 or XP:
From:
http://www.experts-exchange.com/Hard..._21092011.html
check for "hidden" drivers that may be messing up your installation:
Click Start->Run->CMD
SET DEVMGR_SHOW_NONPRESENT_DEVICES=1
START DEVMGMT.MSC
In the window that opens, Click View/Show all hidden devices.
StarForce drivers will show up in Non-Plug and Play Drivers