Abstract: According to this invention there is provided a method of controlling usage of data and prevent unauthorized usage of data that is generated by software using iso data system where data can be used only on the computer which has created the data or use and/or access the data on other computers only if the owner of such data has given access/permission to such data.

Abstract: According to the present invention there is provided a method to ensure authorized usage of software, by creating and then verifying and validating with the software's registered information in the vendor's online server, at frequent intervals, software activation file and computer's motherboard id.

Abstract: The present invention relates to a method for displaying viewer targeted, offline advertisements in any desktop/display via a software installed in a user computer, displaying the said advertisements in a collapsible, movable, dynamic sized window(s) named active ad window on the said user's desktop, without interfering in any functionality of the other software or tampering and corrupting the actual core data which is in use by the user and without accessing any data of the users PC in anyway since it is a totally independent and isolated software and without the user's PC being connected to interne all the times.