I recommend taking the computer to a professional to fix it. It may cost $100 to do so, but they can figure out what things are causing the computer to bog down, and delete them.
Most people do not have the skill or knowledge to do it themselves.
". . . Some readers may become deeply discouraged, perhaps thinking, "If what I'm doing already isn't enough, well then I can't keep up with this anymore. The heck with Windows!" I heartily encourage those readers -- if they have the means -- to listen to that sentiment and consider buying an Apple Macintosh computer. The annoying TV commercials aside, Macs are far simpler to maintain from a security perspective. Mac users still must apply patches from time to time (even that can be automated), but they still have little -- if anything -- to worry about from spyware, viruses or computer worms (at least for now). . . " - Brian Krebs, Washington Post tech columnist
If you want on or off the Mac Ping List, Freepmail me.
Any idea whether Leopard will run on a 1 Ghz PowerPC G4 eMac with 768 MB SDRAM (running OS 10.4.8 now)?
Reading the comments below Krebs blog is very interesting.
I at least give it a once over with Spybot and if it is still bad afterwards than I will do the reinstall. What is nasty is the lack of backing data up as the user goes. Thus leaving poor hapless me to dig around to make sure I get everything that is, like you said, spread out from one corner to the other. You don't know how many times I come accross PCs that the user saved files like .doc and .xls in the windows directory, etc. WTH is it doing there!