比较修订

This article describes steps to take if you are unable to download or save file using Firefox.

This article describes steps to take if you are unable to download or save file using Firefox. {for fx13} {note}'''Note:''' [[Template:reset-fx]]{/note} {/for} __TOC__ = Clear the download history = Clearing the download history can fix some problems with downloading files: #{for win,fx4}Click on the {button Firefox} button ({menu Tools} menu in Windows XP), and then click {menu Downloads}{/for}{for win,fx35}Click on the {menu Tools} menu, and then click {menu Downloads}{/for}{for mac,linux}Click on the {menu Tools} menu, and then click {menu Downloads}{/for}. The [[Downloads window|Downloads window]] will open. # In the Downloads window, click {button Clear List}. {for win,fx35}<br>[[Image:unabletodownload-clearlist-en.png]]{/for} #Close the Downloads window. = Choose a different download folder = Firefox may not be able to download files if there is a problem with the folder in which downloaded files are saved: # [[T:optionspreferences]] # Select {menu General} panel. # In the Downloads section, select '''Save files to'''. # To select a download location, click {button Browse...}. Choose a different folder to try saving files. # [[T:closeOptionsPreferences]] = Reset the download folder = If you have tried the above suggestions, you can restore the default Firefox download folder settings: # [[T:aboutconfig]] # In the {for not fx11}Filter{/for}{for fx11}Search{/for} field, enter '''browser.download'''. # If any of the following settings have a status of '''user set''', reset their values. To reset a value, {for win,linux}right-click{/for}{for mac}hold down the {key Ctrl} key while you click{/for} the setting and select {menu Reset} from the context menu: #* {pref browser.download.dir} #* {pref browser.download.downloadDir} #* {pref browser.download.folderList} #* {pref browser.download.lastDir} #* {pref browser.download.useDownloadDir} # If desired, you can revert back to your preferred download folder settings by changing your [[Options window - General panel|Firefox settings]]. {for mac} = Choose a valid download folder in Safari Preferences = <!--https://bugzilla.mozilla.org/show_bug.cgi?id=311292--> If you receive the error ''<filename> could not be saved, because an unknown error occurred. '', your problem might be caused by an interaction with the Safari browser and your operating system. To fix the problem, open Safari's Preferences and change the '''Save downloaded files to:''' setting to a valid folder (such as your Desktop). Then restart Firefox. = Delete corrupt plist file = <!--http://support.mozilla.com/tiki-view_forum_thread.php?comments_parentId=2596&topics_offset=7&topics_sort_mode=lastPost_desc&forumId=1--> If you receive the error ''<filename> could not be saved, because you cannot change the contents of that folder. Change the folder properties and try again, or try saving in a different location.'', your problem might be caused by corrupt ''plist'' files. To fix this problem, go to your home directory and delete this preference file: * {filepath ~/Library/Preferences/'''com.apple.internetconfig.plist'''} <!--See [http://www.macfixit.com/article.php?story=20060606082246983 this] for more information about corrupt .plist files.--> {/for} = Change file type settings = If downloading certain file types does not work, check to make sure Firefox is not set to handle those file types differently from others. See the [[Managing file types]] for instructions on how to view and change how different file types are handled. == Reset download actions for all file types == To reset how all file types are handled by Firefox back to default: # [[T:profileFolder]] # [[T:closeFirefox]] # Rename the {filepath mimeTypes.rdf} file to {filepath mimeTypes.rdf.old }. # Restart Firefox. {for win} = Remove Download Manager plugins = On Windows, third-party download manager plugins can interfere with Firefox downloads. Download Manager plugin files that get added to the Firefox plugins folder include the following, listed by the download manager program and the associated plugin filename: * '''GetRight:''' {filepath NPGetRt.dll} * '''WinGet:''' {filepath NPWinGet.dll} * '''Download Accelerator Plus:''' {filepath npdap.dll} * '''FreshDownload:''' {filepath npfd.dll} * '''Net Transport:''' {filepath NPNXCatcher.dll}, {filepath NPNXCatcher(Audio).dll}, and {filepath NPNXCatcher(Video).dll} See [[Troubleshooting plugins]] for instructions on how to disable or remove plugins. {/for} = Configure Internet security software = Internet security software, including [[Firewalls]], antivirus programs, anti-spyware programs, and others can block certain file downloads. Check the settings in your security software to see if there is an setting that may be blocking downloads. To diagnose whether Internet security software is causing problems, you can try temporarily disabling it, seeing if downloads work, and then re-enabling the software. {for win} = Disable virus scanning in Firefox preferences = Firefox launches your installed antivirus program to scan files when they finish downloading. In some cases this can cause a substantial delay or downloaded files may not be saved after the scan completes. <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=488672 --> # [[T:aboutconfig]] # In the {for not fx11}Filter{/for}{for fx11}Search{/for} field, type {pref browser.download.manager.scanWhenDone}. # Double-click on the {pref browser.download.manager.scanWhenDone} setting to change its value to {pref false}. = Enable downloads blocked by Security Zone Policy = Downloading an executable file (e.g., an .exe or .msi file) may fail, with the [[Downloads window]] showing ''Canceled'' under the file name.{for fx35}<br/>[[Image:c7a705df3eaecc320fc66feff28e3da5-1265503918-593-1.png]]<br/>{/for} This happens because Firefox honors your Windows security settings for downloading applications and other potentially unsafe files from the Internet. To resolve this problem, use one of the solutions given below. {for fx4} == Bypass Windows Security Policy check == See the [[#w_disable-virus-scanning-in-firefox-preferences|Disable virus scanning in Firefox preferences]] section above. {/for} == Reset system Internet Security settings == You can reset your system Internet security settings in Internet Explorer. See [http://support.microsoft.com/kb/923737 How to reset Internet Explorer settings] at Microsoft Support for instructions. {/for} = Other solutions = You may be able to diagnose your download problem by following the steps given in the [[Basic Troubleshooting]] article. <!-- MZ credit --> <br/> <br/> '''''Based on information from [http://kb.mozillazine.org/Unable_to_save_or_download_files Unable to save or download files (mozillaZine KB)]''''' [[Template:ShareArticle|link=http://mzl.la/LJ0h2w]]