Error Torrent Unauthorized Torrent Download Error, I Am Using Firefox 3 And Now When Go To Mininova Or Any Other Torrent Site,?

Torrent download error, i am using firefox 3 and now when go to mininova or any other torrent site,? - error torrent unauthorized

and I click download I get an error message that says: C: \\ \\ \\ \\ \\ \\ \\ \\ PROGRA ~ 1 \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ kellyfan ~ 1 \\ \\ \\ \\ \\ \\ \\ \\ LOCALS ~ 1 \\ \\ \\ \\ \\ \\ \\ \\ Tem ... could not be opened because the associated helper application does not exist. Change association in your preferences.

What does this mean the problem has just arrived, I was the torrent file before with my Firefox 3.