Vreau sa instalez sage si nu pot ca-mi da mesajul:

Firefox could not install the file at
http://releases.mozilla.org/pub/mozi...e-1.3.9-fx.xpi.
because: Download error

Desi in fereastra de Extensions zice ca Install completed successfully (la sage).

Dupa ce dau OK la mesajul de eroare, imi dispare si sage din Extensions.

Unde gresesc?