The article http://support.microsoft.com/default.aspx?scid=kb;en-us;Q222469 applies to defragmenting as well. Usually, SAFE MODE is all a person needs to do.
As to AOL, they are their own world of support and you paid for it, so ask them?
Bob
I asked about defragmenting problems on my win98.Nothing has worked.
And recently I have installded aol 9.0 and now when I start my computer it starts aol automatically within a few minutes why? And how do I stop this? HELP!!!

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic