Windows® Application Installer
Learn the important features of Windows Application Installer
The software component used for the installation, removal and maintenance of programs on modern Microsoft Windows systems is termed as Windows Installer. The installation packages include the installation information and sometimes the files itself. They are composed of the MSI files which are relational databases structured as OLE COM structured storages. With the advancement of the technology, the predecessor set-up API has been replaced by the Windows Installer. The GUI framework and automatic generation of the uninstallation sequence are the two major features of the Windows Installer. It has got the ability to diagnose and repair the corrupted applications. If it detects any corrupted or missing files during the installation of an application, it would repair the same application by recopying only the missing files. The Windows Installer restores the original computer state upon any installation failure and also inter-application conflicts. It supports the unattended application installation and reliably uninstalls the previous installed or existing programs.
The following points discuss the features of Windows Installer:
- On demand installation feature
- Microsoft .NET Framework
- Other features
On demand installation feature
The Windows Installer enables you to install a minimal subset of an application. For this purpose, it is first configured to install that application with minimal subset. If you access a feature for the first time, that requires the components which are not included with the original installation, the Windows Installer automatically installs that particular component. Windows Installer could also cleanse the components that go unused for about 60 days in an application.
Microsoft .NET Framework
Microsoft .NET Framework is a new base for creating service oriented and integrated applications which collect information and communicates with a number of sources. The type of platform and languages in use does not matter. The write-once, compile-once, run-anywhere application development can be offered by the Microsoft .NET Framework. It also provides code specialization, security, resource management, code reuse, multi-language development, administration, and deployment.
Windows Installer is integrated with software restriction policies and side by side components. Software restriction policies offer virus protection support and protection against Trojans, viruses and worms, which spread through web and e-mail. The simultaneous execution of various versions of each component is offered by side-by-side components support. This also prevents the .dll version conflicts. The Windows Installer permits you to install the 32-bit applications on a 64-bit machine.
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