wont power up windows xp

[toppergun]

hello im new to this so im hoping someone can help me lately my computer has been running slow when i change sites .the odd time i get a warning message on my task bar telling me low cpu usage and now the last few days when i press the button to start the computer it will be dead for 5 minutes then start up by itself...im running windows xp thx for reading and more thx if u have any idea lol

 

[KSoD]

http://www.techist.com/forums/f51/spyware-removal-guide-osiris-updated-8-18-2008-a-165828/

Go thru the guide. post up a log:

HijackThis Logs (analyze) - Computer Forums

 

[toppergun]

i dont have word cant see the guide

 

[KSoD]

Use OpenOffice. That can open it.