Do not install ICQ Instant Messaging Software (v.7.5). Without permission, it (a) adds an unwanted toolbar to your Browser (b) Replaces your default home page (c) in Firefox, replaces your default search engine with their own (d) replaces “bad” URL handling with an ICQ search. To remove the software…
(a) Remove the toolbar from Add-ons (b) Remove the toolbar from Control Panel Program and Features | ICQ Toolbar (c) In the Firefox Browser, enter About:config and then search for ICQ. For all entries contain “icq”,right click, and choose reset. Restarting Firefox will remove all reset icqtoolbar entries.