How to synchronize N processes?

Security experts only pls. Which of these following processes in task manager could i?

• On my little netbook computer these are the following processes running. I have btw 1gb of ram. 250 gb HD. cpu intel atom 1.5ghz 1mb l2 cache these are the processes running. csrss.exe dwm.exe ePowerevent.exe ePowerTray.exe ETDCtrl.exe ETDCtrlhelper.exe explorer.exe hkcmd.exe igfxext.exe igfxssrvc.exe igfxtray.exe LMmanager.exe LMworker.exe msseces.exe RtHDVcPl.exe taskhost.exe taskhost.exe taskmgr.exe unsecapp.exe Wilog.exe winlogon.exe those are all the processes running right now. there is 403mb memory being used. sometimes though when i go on a browser that shoots up to about 900 mb. with google chrome or firefox or IE. any of those processes i could disable ? thanks

• Answer:

  It's hard to say without knowing how much memory each of these processes use. I would first narrow the list down to those taking the most memory, then close them one by one to find the culprit. Then run thorough virus scans to make sure nothing malicious is left behind.