Downloading the softice debug tool should be relatively easy. Created for Microsoft Windows, it is a kernal mode debugger that runs in the background. It can suspend all modes of operations of necessary. The very first Softice was written in 1987 for DOS and sold for $386. It was retooled and made available in the 1990's for Windows. As of 2006, further production of this product was halted due
. to business, technical and market conditions however, technical support did continue until 2007. A comprehensive replacement for Windows is the Syser debugger and it works on XP/Vista/2000/2003. You can find more information here: http://www.freedownloadmanager.org/downloads/debugger_softice_info/