Just one minor one. Check and fix in HijackThis:
O16 - DPF: {3299935F-2C5A-499A-9908-95CFFF6EF8C1} (Quicksilver Class) - http://scpwgc.ops.placeware.com/etc...quicksilver.cab
No need for new log.
Get the latest service pack for Windows 2000 if you can.
Your log is clean.
To help prevent future spyware installations/infections, please read the Anti-Spyware Tutorial
http://www.greyknight17.com/spyware.htm#prevent and use the tools provided.
Are there any problems now? If not, you should be set to go.