Perform the suggestions mentioned in the following articles: * [https://support.mozilla.com/en-US/kb/Template:clearCookiesCache/ Clear Cookies & Cache] * [[Unable to download or save files]] * [http://kb.mozillazine.org/Unable_to_save_or_download_files] Check and tell if its working. ------------------------------------------------------------------------------------------ Might not be related to your problem but some of your Plugins are out-dated * Update All your Firefox Plugins -> [https://www.mozilla.org/en-US/plugincheck/] * '''When Downloading Plugins Update setup files, Remove Checkmark from Downloading other Optional Softwares with your Plugins (e.g. Toolbars, McAfee, Google Chrome, etc.)'''