Cannot download, window appears and gets lost instantly.
When I click any file to download, It just start and download window appears then it immediately disappears. It used to work fine some days before. I have emptied the download list already.
This happened
Not sure how often
Todas as respostas (1)
Delete downloads.sqlite (plus downloads.rdf, if it exists) in the Profile Folder See http://kb.mozillazine.org/Unable_to_save_or_download_files#Manually_delete_download_history
You can also try "Reset Download Actions": http://kb.mozillazine.org/File_types_and_download_actions