Easy way to speed up Windows Xp

Backup first any important file/data before doing this to avoid things undesirable.
Don't do this if not accompanied by an expert. Risk on your own.

1. Run services.msc - Start , Run , type services.msc
   Turn off or disable this useless service ...
   
   Alerter
   Application Layer Gateway Service,
   Application Management
   Automatic Updates
   Background Intelligent Transfer
   Clipbook
   Distributed Link Tracking Client
   Distributed Transaction Coordinater
   Error Reporting Service
   Fast User Switching Compatibility
   IMAPI CD-Burning
   Indexing Service
   IPSEC Services
   Messenger
   Net Logon
   Net Meeting
   Remote Desktop Sharing
   Network DDE
   Network DDE DSDM
   Portable Media Serial Number
   Remote Desktop Help Session Manager
   Remote Registry
   Secondary Logon
   Smartcard
   SSDP Discovery Service
   Telnet Themes
   Uninterruptible Power Supply
   Universal Plug and Play Device Host
   Upload Manager
   Webclient
   Wireless Zero Configuration
   WMI Performance Adaptor
   
   
2. Delete all file in  C:\WINDOWS\Prefetch  (not the folder)
   
   
3. Right click My Computer icon on the desktop , properties , advance , perfomance setting. Then choose Adjust Best performance. ok
   
   
4. Reboot computer and see the results.