Problem with uninstall/reinstal ESET Smart Security

Hi i have some issues, every time i uninstall, clean registry with eset enitres, also delete every eset folder on hdd, i still have previous settings like user interface, i want to go back to default setting ect. what i must do/delete ? to compleatly uninstall and do fresh instal with default settings etc ?

 

do you delete folders that are hidden?

 

yes, all:
C:\Program Files\ESET
C:\Documents and Settings\All Users\Application Data\ESET
C:\Documents and Settings\User\Application Data\ESET

also all registty named: eset smart security

 

you missed a folder..../ProgramData/ESET

 

ProgramData ?? where it is ? i have windows XP and dont have any ProgramData folder on my C...

 

ProgramData is only in Vista

 

So where all ESET Smart Security settings is stored ? how i can restore the default settings ? Please help me to figure it out