Hi foursavages,
Sometimes it is just best to reformat and start fresh when there are too many problems with the machine. There sure are some nasty virus' out there :(
Also, about your question about supported Operating Systems. Microsoft still offers support for Windows 2000. I think the only OS they dropped was Win95 and earlier.
We have an excellent support team here for Windows 2000:
http://www.techsupportforum.com/micr...ation-support/
Also, you can visit Microsoft's website for support:
http://support.microsoft.com/ph/1131