random boot issue

[roscoe]

sometimes, windows will stop on the windows xp screen
with the three squares going across the screen, and
require several hard restarts before getting past that
screen,what could be the cause?

 

[S.Sengupta]

Try:-
'How to start your computer by using the Last Known Good Configuration
feature in Windows XP'
http://support.microsoft.com/default.aspx?scid=kb;en-us;307852&sd=tech

regards,
ssg MS-MVP