[CS3] Uninstalling updates

Hi guys,
I installed some updates the other day and... I don't know why something has gone wrong and I can't work anymore cause ps keeps crashing anytime...
so, how can I uninstall the updates and try to reinstall them?

thanx a lot =)

You cannot uninstall updates. They replace the original files completely. If an automated update failed, download the manual update packages and try again. If that doesn't work, either, then I'm afraid you'll have to run a complete uninstall/ re-install. Don't use the "Repair" function in the installer, though, as it is not working properly as well in CS3.

Mylenium