Parts of this page show the use of the XPInstall API. The majority of this API is now deprecated and as of Gecko 1.9 no longer available. Extension, Theme, and plug-in developers must switch away from
install.js based packages to the new packaging scheme with an
install.rdf manifest. In particular plugin developers should see how to package a plugin as an extension.
(Windows only) Windows developers use this object to manipulate the content of a Windows
This object does not have a public constructor. Instead, you construct an instance of this object by calling the
getWinProfile method of the