The programs we have had them lock up because he has a database of each school. You can not add anything more to add topics. Only enter it each page of the same width it difficult to fill in the application he made from Exel is offline is just one window if it is damaged or destroyed. usable and no recovery. If we use the system we will have to download and install it and it will waste repository, and then if the system is updated or revised information cycads, we have to download every time I install a new one.