Форум поддержки Firefox

all of a sudden , I need to update fire fox,have reinstalled it. It won't run the download, will not connect to sites I have used in the past.They want a newer version of fire fox,I have windows xp.

'trying to sign on to zoom successfully, then once in I get a notification saying I need to download the lastest version, Ive tried 6 times bianary file and then nothing happens '