You should start reading some PC-magazines, browse around various Forums, read some posts, to get some info about PCs.
Buy a copy of PCAnswers at your local bookstore, read it.
Everybody and his old mother are advising nowadays to NOT use Internet Explorer anymore, EXCEPT for Windows update.
Go to
www.getfirefox.com and install the Firefox browser. Use that exclusively from now on.
Get rid of AOL, it EATS up system resources, and having McAfee running as well, would slow any PC considerably.
Attached is the MSConfig from XP, adapted for W2K. "Rightclick/Save as" to get it onto your PC. Instructions inside.
Those O17's are hijacked domains, they need to be cleaned up (with HJT).
Run the new HJT and post a fresh log as attachment with .txt extension.