HD Tune 2.50

Changes:

Screenshot can be saved to a PNG file
Added minimize button to title bar
Added option to start HD Tune minimized
Added option to run HD Tune each time Windows is started
Added option to show temperature in both Celsius and Fahrenheit
Warning message shows up if a critical hard disk temperature is reached
Info: report SATA version, Native Command Queuing (NCQ), Interface Power Management
Health: improved display and failure prediction