Hi (again) Greg,
Ok, I did some comparing and I think I know the REAL deal now.
I think you are correct, What Vopt actually does is perform a defrag ON bootup. It will defrag BEFORE automatic startup programs are launched. But not before WINDOWS starts. I cannot tell if the Pagefile or Windows root directories are defragged at all with this process and doubt they are. The "on bootup" statement Vopt makes can be slightly misleading and confused me somewhat.
On the other hand PD performed a defrag totally BEFORE windows booted at all. It confirmed pagefile and root directory defragmentation, did it quickly and painlessly. Asked for a reboot when done and all was almost good.
I say almost cause my Antivirus (Norton 2002) did not load on that bootup. Another quick reboot and it loaded at that time. No big deal.
Also after the defrag prior to XP booting I noticed 22 files remained fragmented(very small MGB amount). So bieng the hound I am
I did a normal defrag with PD and after that defrag 0 files were fragmented.
So does this mean that when doing a defrag before boot up PD does not catch everything?
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At any rate, I gotta give PD my vote. As you said Vopt is a good program,inexpensive and easy to use. But for those willing to pay just a little bit more I think PD is the way to go.