which version of the server do you use? and which agent?
What do you mean with wrong - can you please explain in detail . Do you know exactly that you have for example 100 vlc-player software entrys - and the counter only show 98 ?
I ask you this because in old agent version (2.05) the software which is reported is depending on a timeout value in the client. The timeout was too short, so it can happen that sometimes not all software is reported everytime the agent contacts the server.