On a Fine morning when  I woken up and Open  my Firefox 2.0 and trying to saving an image form a website it is not saving.Take a look how to solve this.

Reason:The Files of Firefox  may be corrupted  wall_ff_15

Sol:Close Firefox go to

  C:\Documents and Settings\your username\Application Data\Mozilla\Firefox\Profiles\7nbwpar3.default

here you can find download.rdf file rename it to xdownload.rdf

Restart your Firefox and problem will be solved