比如这里：

http://www.liutilities.com/products/wintaskspro/processlibrary/svchost/

有些程序默认开机就运行，会影响开机速度。可以把他们关上：

(1) Start > Run > msconfig > “Startup” tab > Uncheck unnecessary programs (keep virus-scanner and firewall and may need some experimenting with others).


(2) Start > Programs > Startup; if you remove the shortcuts from this directory, the applications will not load on startup.