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Explain the need of installer in a service application.- The installer allows the registration of a service on the system and let the Service Control Manager know that the service already exists on the system.
- It also allows uninstalling all the installed components from the service.
- It is used for the installation, maintenance and removal of software.
- It contains significant changes from its predecessor, Setup API, GUI framework and automatic generation of the uninstallation sequence.
- Microsoft encouraged third parties to use windows installer as the basis for installation frameworks, so that they synchronize correctly with other installers.
- It keeps the internal database of installed products consistent.
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