男子带涂料改路标:谁能帮我系统整理下啊

这是我电脑里的进程太多了占了200多的内存,求个高手帮帮我该关的关了它,多占内存啊,给你们看看都是什么.
映像名称 用户名
IEXPLORE.EXE lenovo
taskmgr.exe lenovo
EXPLORER.EXE lenovo
ccsetmgr.exe SYSTEM
QuakeII.exe lenovo
ALG.EXE LOCAL SERVICE
ATI2EVXX.EXE lenovo
SVCHOST.EXE LOCAL SERVICE
SVCHOST.EXE NETWORK SERVICE
raid_tool.exe lenovo
SVCHOST.EXE SYSTEM
SVCHOST.EXE NETWORK SERVICE
SVCHOST.EXE SYSTEM
ATI2EVXX.EVE SYSTEM
LHOTKEY.EXE lenovo
LSASS.EXE SYSTEM
SERVICES.EXE SYSTEM
WINLOGONG.EXE SYSTEM
CSRSS.EXE SYSTEM
SMSS.EXE SYSTEM
CTFMON.EXE lenovo
Rtvscan.exe SYSTEM
GEMBACK.EXE SYSTEM
vsnpstd3.exe lenovo
SVCHOST.EXE SYSTEM
GemServ.exe SYSTEM
DefWatch.exe SYSTEM
realsched.exe lenovo
VPTray.exe lenovo
ccapp.exe lenovo
SPOOLSY.EXE SYSTEM
ccEvtMgr.exe SYSTEM
System SYSTEM
System Idle Process SYSTEM
我想知道这里那个没用啊,你们帮帮我啊