Orca 3.1.4000.1830 is a Windows Installer package editor which is offered along with the Windows Installer SDK that was created to provide complete access to the database tables easily that compose a Windows Installer package.
Although Orca offers powerful access to Windows Installer’s features, it is not proposed to substitute a full-featured package-authoring environment.
Windows Installer allows the resourceful installation and configuration various products and applications. Orca 3.1.4000.1830 is also employed to create and at the same time edit Windows Installer databases.
These include merge modules (.msm files), patch creation (.pcp files.), installation databases (.msi files), database transforms (.mst files), validation modules (.cub files) and database patches (.msp files).
Users can access the data streams and database tables that describes an application’s installation logic directly using Orca 3.1.4000.1830. During the editing operations, Orca carries out some or no error checking. At the same time, you modify the database which is logically inconsistent or erroneous.
Modifying a MSI or MST file by means of Orca without complete knowledge of the side-effects and potential effects of a change results in an MSI or MST file which is malfunctioning.
Although Orca 3.1.4000.1830 allows the alteration of all features of the package by editing it directly or by transforming it. Installation packages for certain products are intended to work only with a particular subset of all feasible customization or just with transforms that are formed by a product-specific customization tool.
Errors and unexpected behavior might occur, if a package is customized using Orca 3.1.4000.1830.
Orca 3.1.4000.1830 may be easily regarded the Microsoft Access of Windows Installer packages. Along with basic databases (MSI files) it also supports merge modules (MSM), the validation modules (CUB), patch creation (PCP), transforms (MSP and MST) and database patches.
Remember a point that these packages are very fragile and that regardless of the customization level, you can modify the database’s contents to the point of no return. Guys watch out for this thing in the process as the most likely results will destroy your hard work.
System requirements for Orca Software