怎样关掉Windows里的无用服务？

开始→运行 → services.msc
依次找到以下服务项，双击，设置为 已禁用。
注意：如果需要让其他电脑共享你电脑里面的文件夹或打印机，不要禁用server和workstation 两个服务项：

Alerter
Automatic Updates
ClipBook
Computer Browser
Error Reporting Service
Help and Support
Indexing Service
IMAPI CD-Burning COM Service
Human Interface Device Access
Messenger
MS Software Shadow Copy Provider
NetMeeting Remote Desktop Sharing
Network DDE
Network DDE DSDM
Remote Desktop Help Session Manager
Remote Registry
Server
System Restore Service
Task Scheduler
TCP/IP NetBIOS Helper
Telnet
Volume Shadow Copy
Windows Time