XP Reinstall

[Tim e' Scott]

my mouse has started acting funny - the curser will jump
around on the screen at times, not always; disapear and
show up somewhere-else and has started logging me off aol
everyso-often... I had downloaded all MS updated and
didn't catch the bugs... I think it's either the mouse
itself, because i'm pretty rough on it, or it's drivers.
I've checked connections their all fine, my question is:

If I reinstall my Win XP to validate the mouse drivers
will it keep all the updates or loose them.?

respectfully,

Tim