100% cpu usage for one user

[Patrick]

I am running Win XP Home Edition with SP1 and have setup
4 users and a guest account on a Pentium 4 2.26ghz PC,
512mb ram, 80gb harddrive.
All users run fine, but one user has extremely slow
performance. I go to Task Manager and find that the cpu
usage is at 100% with no applications running. If I log
out of that user and log into another user, the cpu usage
is normal, fluctuating between 2-7% usage with no apps
running. However, if I don't logout of the user with the
slow response and just switch users, then the cpu usage
for all accounts is 100%.
I have run Norton's System works several times and found
no viruses or disk errors.

Lost in cyber space

 

[dman]

try to see what PROCESSES run with the "bad" user and
comper this to the "good" user
now think if u need that program if u do go to the webpage
of that program and see if there is update or something
ilke that, if u don't just kill her (don't forget to
change the MSCONFIG startup to make sure that she stay
dead)