None of that garbage is installed with WindowsXP (with the possible exception of a terrible third-party CD from a PC manufacturer). It sounds to me like you need to take better steps than simply stopping the processes.

You need to use some spyware removal tools immediately. Get a good firewall and use it. Create and use a non-administrator account until you absolutely need to have admin access. I'm sure you will get more advice than this but it's a good start.