You should open a issue on the project's issue page:

http://drupal.org/project/issues/fivestar

Jamie Holly
http://www.intoxination.net 
http://www.hollyit.net

On 2/10/2012 12:09 PM, Selvaraj Chnnasamy wrote:

HI All

Same user should not rating more then one time and same computer in five star rating module

Selvaraj.C