Marfitalu: I didn't check it out yet, but there exists a workaround for such cases, the portable firefox. It doesn't put any files in the system drive, so you can install ist on a usb stick or so. It is all described here. Maybe that will help you (of course only, if you have a usb stick)
(peida) Oma profiili muutmisel kasuta Notepad´i, nägemaks, milline näeb välja Sinu profiil koos html-tagidega (ainult tasulised liikmed). (rednaz23) (näita kõiki vihjeid)