- This program tests the "Dead Spot" of the Harddrive for possible future errors. Runs with Windows 3 and 95 and tests the drive the program is running from. The "Dead Spot" is area of the harddrive which is usually unoccupied by anything. This program tests the "Dead Spot" by writing a test code to it making sure the harddrive is still operational in that area. If not it reports an error to you to send to V Software.1Megabyte /sec Avg. rate. -1.2 Fixes ALL previous errors.