Unable to 'Verify Disk'...Needs Repair

Good morning.
I have a late 2008 MacBook Pro. About a month ago I installed Snow Leopard 10.6.3.
After the install I noticed things running a little more sluggishly than Leopard 10.5.8. I went to verify the disk and noticed some needed repairs. See this grab:
[IMG]http://i53.tinypic.com/2edz6gl.jpg[/IMG]
I have now been through this process three times and am wondering what is going on. Why does my disk keep experiencing these issues?
Any ideas? Do I have corrupted files somewhere, a bug, a virus or just plain bad luck?
Any thoughts welcomed.
Cheers,
BurntMonkey

If Disk Utility can't fix it, you'll need a more robust utility to repair it.
I would recommend DiskWarrior. It is the best at directory repairs. It rebuilds then actually replaces your old directory. I feel every Mac owner should have a copy.
It also has File System repair now and hard drive S.M.A.R.T. diagnostics.
Make sure you get the disk so you can boot up on it to run repairs. You can also install it on another drive and run it from there to repair this one. DW works faster that way.
I use DW once a month to try and catch errors in my system from getting too far out of hand. It has repaired every little and big issue I have ever had with my three Macs.
If you have a good backup, hopefully a clone of your system before you had issues, an Erase and Install will also rid you of this issue. But, beware! You will lose everything on the drive with this procedure. Let us know if you need help with that!
Good Luck! DALE

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