98SE and spyware etc tools?

Someone just gave my niece a computer running 98SE (old I know)...but they have Malware Removal Tool, Spyware Terminator, Spyware Blaster, Ccleaner, RegCure (unregistered), Spybot-Search %26 Destroy as running programs left on it. Are all of these necessary? If not which should she keep. AVG antivirus runs also, I know that's a pretty good protection tool. Any comments, ideas are appreciated. Thanks.

98SE and spyware etc tools?anti virus protection

IMO, you should get rid of a few, at least Spyware Blaster, RegCure, Malware removal, and possibly even Spyware terminator. As long as the other programs are up to date, you don't need that many running. With an older OS they're just going to slow it down.

98SE and spyware etc tools?antivirus

I would be very careful in removing any of them. I run a legacy computor on 98SE and made the mistake of removing my GriSoft AVG before checking the new version. So now that is no longer protecting the PC. Many of the programs above have later versions which will run only on XP and newer, so be careful. More important is running, regularly, Norton WinDoctor which can find spyware loaded into registry. Keep C:\WINDOWS\Temporary Internet Files empty after each session, as well you should empty C:\WINDOWS\Application Data\Microsoft\Office\Recent, C:\WINDOWS\Recent, C:\WINDOWS\TEMP, on a regular basis, as many spyware programs place in them as well. Also clear C:\WINDOWS\Temporary Internet Files\Content.IE5, leaving the index file alone. Hope this helps.
Stick with them all. Run each update and scan separately to keep safe.