You don't need most of the processes.
I think you're running a lot of programs in the background, have a look at your systray (where the clock is), I think it must be big. Some programs I don't know, but it's not necessary to run eg. Fraps all the time or DVDLauncher or Steam ...
This programs are starting every time you boot. Uncheck them from your autostart-list: Start --> Execute. Type in msconfig and have a look what programs are in the autostart. Uncheck all programs you do not need all the time (eg. firewall, anti-virus and some system processes you'll need).
Hope that helps,
RemoteC