Norton can't tell what my OS is???

[Felecha]

I've had Norton systemWorks 2003 for a while now. I have had SpeedDisk set to automatically run once a week late at night.

Recently I've found a MessageBox window once a week telling me that

"SpeedDisk is designed to run with Windows 2000 and Windows NT 4.0, Service Pack 3 or higher. It will not run on Windows NT 3.51"

I have Windows 2000 Pro and have for 2 years. Norton ran on it for many months before this happened. I'm not aware of anything that "happened" that could have made this happen.

 

[Felecha]

Curiously, I started a while ago checking with Windows' own Defrag, thinking I wasn't getting any defragging done, and have not yet had it tell me that my disk needs defragging. I use it hard, too, several hours a day.