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1.
software that installs other products that the user would not expect to be installed as a default option. This includes any 3rd pary addons or 1st party products that are unrelated to the current install.

Examples of installware practices:
Programs installing browser bars
iTunes installing Safari as an "update"
by alt+F4 March 22, 2008

Words related to installware

adware install ware instalware malware spyware