To effectively use the grid, users should have quick responses to questions and high-quality documentation.  EGEE provides a team that specializes in responding to the application-related problems through the GGUS ticketing system.  The working group purpose is to consolidate and coordinate all the User-centric , application oriented support activities in EGEE. The DUS work group responsibilities is related with the daily and direct support of user requests.The team  identifies complete missing documentation, develops new material  and keep them up to date through the duration of the project.Finally, the team is developing and implements  novel methods for EGEE-User interaction.