Logfile of HijackThis v1.97.7
Scan saved at 8:20:37 AM, on 4/21/2004
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)
A major problem right-off-the-bat is that neither your Windows XP nor your Internet Explorer are up-to-date. Partly due to this, you have been loaded with nasties. As soon as you clean up your problems, download all the patches you can get.
Most of the rest of what you have can be removed automagically by Ad-Aware and Spybot - Search & Destroy. Run each individually, but be sure to update the detection data files before running either program.
Then you can post your new HjT log back here.