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Installers: what are they and what do they do?

By: Mathew Petrenko

Although some programs can be installed on your PC simply by duplicating files from a DVD, CD or some other carrier, most software solutions need you to create installation of them with a help of a software installer. When you get some application, it is usually delivered in an achieved distributive format. For programmers there are ample possibilities to make their releases more successful with the help of commercial or freely distributed installation maker. Microsoft has made the Windows Installer for its Windows system that lets developers create installation. There are a lot of other commercial installation software programs you can find for Windows XP: InstallShield, Smart Install Maker and several others. Most such solutions make packages that offer a consistent experience for users installing different programs. Not happy with commercial installation creator programs? Those who prefer open source applications may have a look at Innosetup and some more applications that might be obtained for free. Today software becomes multisystem.

Making installation packages for different systems often requires quite a bit of effort on the part of developers. Developers have to create and assure the quality of each installer for each platform. Fortunately, there are also cross-system installation maker programs. For example, InstallAnywhere that is a commercial install creator, or an open source Java install generator for various platforms called IzPack. A software distribution bundle usually has to contain not only an installer creator, but also an uninstaller. Some years ago a number of solutions could not be uninstalled correctly without the help of special 3rd-party solutions. Third-party uninstallers are rarely used this way now, because they are usually less effective than standard uninstall procedures. Still these 3rd party uninstallers are used nowadays. Another reason is that some programs choose not to get rid of themselves completely leaving some add-ins behind. One more difficulty that these programs could help with is deleting Trojan and spyware. If the application you have just installed seems to have some bad intentions, a 3rd party uninstaller could prove to be the very useful. If you would like a better way to administer cache memory or temporary folders uninstallers may also be of use. Installers and unistallers.

Article Source: http://articles-at.smartnetworld.com

Sabrina Bouffet is a scientist in computer science and author of many articles on installer creator. For more data see our site. In this publication the writer dwells on the field of how to install software.

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