Stopping Unneeded Startup Services and makin window faster

To reduce the number of services that start on bootup, you can access two different
areas of Windows XP.

The first is the System Configuration Utility. You can do that by entering the
command “msconfig” in the run menu.
Start  Run  “msconfig” (without quotes) || Hit Enter
The Services tab shows you the services that start when the computer
boots. You can stop a service from starting by simply clearing the check box
next to the service and clicking OK.

However, before you do so, there is another way to disable services that you
may prefer because the interface gives you more information about the service
in question.
Open Control Panel  Administrative Tools Services or
Start  Run  “services.msc” || Hit Enter
Take a quick look at common services you may want to live without:
Automatic Updates: This service enables Windows XP to check the Web
automatically for updates. If you don't want to use Automatic Updates, you can
disable the service.
Computer Browser: If your computer is not on a network, you don't need this service.
If you are on a network, leave it alone.
DHCP Client: If you are not on a network, you do not need this service. If you are on
a small workgroup, you can still increase boot time by configuring manual IP.
DNS Client: If you are not on a network, you do not need this service.
Error Reporting and Event Log: You don't have to use these services but they can be
very helpful, so I would leave them configured as automatic.
Fax: If you don't use your computer for fax services, you can disable this one.
Help and Support: Disable if you never use the Windows XP Help and Support
Center.
IMAPI CD-Burning COM: This service enables you to burn CDs on your computer.
If you never burn CDs, you can disable the service without any second thoughts.
Indexing Service: Your computer keeps an index of all the files. But if you rarely
search for files, the service is just a resource hog. You can stop it
Windows Firewall/Internet Connection Sharing: If you do not use these features, plz
disable.
Infrared Monitor: If you do not use infrared devices, you can disable this service.
Messenger: This service sends alert messages on a local area network (it is not the
same as Windows Messenger). If you are not on a network, you can disable this
service.
Print Spooler: If you do not do any printing from the computer, you can disable this
service. If you print, make sure you leave it as automatic.
Remote Registry: This service allows remote users to modify the Registry on your
computer. If you are not on a network, you can disable this service.
System Restore Service: This service allows you to use System Restore. If you have
turned off System Restore anyway, you do not need to turn off the service.
Themes: If you do not use themes, you can disable this service.
Windows Image Acquisition: If you do not use scanners or digital cameras, you can
disable.
Wireless Zero Configuration: If do not use wireless networking devices, you can
disable.