Gerv, Yes it is possible. It it not a requirement of an XPI file to have to install files. Something similar has already been done with the shipping N6 windows installer. However, I don't believe that XPInstall has any preference manipulation routines, at least I don't recall seeing any. Gervase Markham wrote: > Just a quick check: I could provide an XPI whose sole function was to > execute some Javascript (to e.g. change some prefs), right? It wouldn't > have to install anything? > > This is related to bug 77207. > http://bugzilla.mozilla.org/show_bug.cgi?id=77207 > > Gerv
