Adam, I fixed the "File is corrupt" problem by installing wine then installing the windows firefox then i moved the Mozilla Firefox folder ~/.wine/drive_v/Program Files/Mozilla Firefox/ to ~/.wine_browser/drive_c/Program Files/Mozilla Firefox/ and this fixed the problem.
Adam, I fixed the "File is corrupt" problem by installing wine then installing the windows firefox then i moved the Mozilla Firefox folder ~/.wine/ drive_v/ Program Files/Mozilla Firefox/ to ~/.wine_ browser/ drive_c/ Program Files/Mozilla Firefox/ and this fixed the problem.