我的是索尼VGN-CS25，为什么一开机就有70个进程啊？可以关些进程不？而且CPU的使用也基本是50%左右

希望各位高手指点一二
谢谢啦
进程是：
360tray.exe
audiog.exe
btwdins.exe
ccenter.exe
cdac11ba.exe
conime.exe
csrss.exe
csrss.exe
dllhost.exe
dllhost.exe
evteng.exe
explorer.exe
iviregmgr.exe
lsass.exe
nsuservice.exe
nvvsvc.exe
ravmond.exe
ravtask.exe
regsrvc.exe
rsnetsvr.exe
rstray.exe
rund1132.exe
safeboxtra...exe
scanfrm.exe
searchinde...exe
services.exe
slsvc.exe
smss.exe
spmgr.exe
spmservice.exe
spoolsv.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
syntpenh.exe
syntphelpe.exe
system.exe
system idl...exe
taskeng.exe
taskeng.exe
taskmgr.exe
ucammonito...exe
vaioupdt.exe
vcfw.exe
vcsw.exe