This is a great program for optimizing your computer's boot speed from the startup, standby and hibernation modes. It is absoutely free and the file size is very small, making it an excellent download. It is very powerful. I recommend this program to everyone.
You can give Bootvis a try, it can boost your startup by optimizing and placing the startup programs together

It can also trace all the program or system driver/core load speed and make a graph report, you might be able to trace the problem from the graph.

BootVis 1.3.37.0


http://www.softpedia.com/get/Tweak/System-...k/BootVis.shtml

BootVis is a performance trace visualization tool for use with Windows XP systems. Customer research shows a frequently requested feature that users want from their PCs is fast system startup, whether from cold boot or when resuming from standby or hibernation.


Features:

· Boot to a useable state in a total of 30 seconds
· Resume from Hibernate (S4) in a total of 20 seconds
· Resume from Standby (S3) in a total of 5 seconds
http://www.softpedia.com/get/Tweak/System-...k/BootVis.shtml

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The Windows development team at Microsoft has taken bold steps in making fast startup PCs a reality with the Microsoft Windows XP operating system.

have a look, disable the unwanted services can also improve perfomance
(don't disable the services, just change them to manual startup instead of automatic)

besides, do not change these to manual
Print Spooler - leave it automatic or printer won't print
themes - if you still want to use the XP theme

you can disable this if you have burning programs like Nero
IMAPI CD-Burning COM Service

http://www.5starsupport.com/info/xpinfo2.htm#services