Insight Optimizer

Norton IS 19.6.2.10

Win XP Pro SP3 - same problem on two machines.

 

Just noticed that Insight Optimizer no longer appears to do anything - it runs for one or two seconds and stops. 

Tried manually launching Insight Optimizer (as an administrator) and it does the same.

If I manually run Windows Defrag on boot drive it does need to defrag and takes a long time, as expected. 

Any ideas why Insight Optimizer is not performing defrag please?

 

Thanks