What to do if you can't download or save files

ఎవరూ ఇంకా ఈ వ్యాసం అనువదించడానికి సహాయం చేయలేదు. SUMO ఎలా పనిచేస్తుందో మీకు ఇప్పటికే తెలిసుంటే, అనువదించడం ప్రారంభించండి. మీరు SUMOకు వ్యాసాలు ఎలా అనువదించాలో నేర్ఛుకోవాలనుకుంటే, దయచేసి ఇక్కడ ప్రారంభించండి.

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

Note: The Refresh Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information. Consider using it before going through a lengthy troubleshooting process.


Check the Downloads panel for blocked downloads

Firefox includes a download protection feature to protect you from malicious or potentially harmful file downloads. If Firefox has blocked an unsafe download, you will see a warning message about the file in the Downloads panel, along with options for handling the pending download. You can open the Downloads panel to view completed and pending downloads by clicking on the Downloads button (the down arrow on your toolbar). See the articles Where to find and manage downloaded files in Firefox and How does built-in Phishing and Malware Protection work? for more information.

Clear the download history

Clearing the download history can fix some problems with downloading files:

  1. Click the Downloads button fx20 download icon download icon 57 , and then click Show all downloads. The Downloads window will open.
  2. In the Downloads window, click Clear Downloads.
  3. 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:

  1. Click the menu button New Fx Menu Fx57Menu and choose Options.Preferences.
  2. Select the General panel.
  3. Go to the Downloads sectionFind the Downloads section under Files and Applications.
  4. Click the Browse Choosebutton next to the Save files to entry.
  5. Choose a different download folder for saving files.
  6. Close the about:preferences page. Any changes you've made will automatically be saved.

Reset the download folder

If you have tried the above suggestions, you can restore the default Firefox download folder settings:

  1. In the address bar, type about:config and press EnterReturn.

    • The about:config "This might void your warranty!" warning page may appear. Click I'll be careful, I promise!I accept the risk! to continue to the about:config page.
  2. In the Search field, enter browser.download.
  3. If any of the following settings have a status of user setmodified, reset their values. To reset a value, right-clickhold down the Ctrl key while you click the setting and select Reset from the context menu:
    • browser.download.dir
    • browser.download.downloadDir
    • browser.download.folderList
    • browser.download.lastDir
    • browser.download.useDownloadDir
  4. If desired, you can revert back to your preferred download folder settings by changing your Firefox settings.

Choose a valid download folder in Safari Preferences

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

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:

  • ~/Library/Preferences/com.apple.internetconfig.plist

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 Change what Firefox does when you click on or download a file 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:

  1. Open your profile folder:

    Click the menu button New Fx Menu , click help Help-29 Click the menu button Fx57menu , click Help and select Troubleshooting Information. The Troubleshooting Information tab will open.

    • Under the Application Basics section, click on Show FolderOpen FolderShow in FinderOpen Directory. A window will open that contains your profile folder.Your profile folder will open.
    Note: If you are unable to open or use Firefox, follow the instructions in Finding your profile without opening Firefox.

  2. Click the menu button New Fx Menu and then click ExitQuit Close 29 .

    Click the Firefox menu Fx57Menu , then click Exit. Click the Firefox menu at the top of the screen, then click Quit Firefox.Click the Firefox menu Fx57Menu , then click Quit.

  3. Delete or rename the mimeTypes.rdf file (for example, rename it mimeTypes.rdf.oldhandlers.json file (for example, rename it handlers.json.old ).
  4. Restart Firefox.

Remove Download Manager plugins

Support ended for all NPAPI plugins except for Flash in Firefox version 52, released March 7, 2017. See this compatibility document and this article for details.

Beginning with Firefox version 52, support has ended for all NPAPI plugins except for Adobe Flash. See this compatibility document and this article for details.

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: NPGetRt.dll
  • WinGet: NPWinGet.dll
  • Download Accelerator Plus: npdap.dll
  • FreshDownload: npfd.dll
  • Net Transport: NPNXCatcher.dll, NPNXCatcher(Audio).dll, and NPNXCatcher(Video).dll

See Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems for instructions on how to disable or remove plugins.

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.

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.

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 the solution given below.

Reset system Internet Security settings

You can reset your system Internet security settings in Internet Explorer. See How to reset Internet Explorer settings at Microsoft Support for instructions.

Other solutions

You may be able to diagnose your download problem by following the steps given in the Troubleshoot and diagnose Firefox problems article.




Based on information from Unable to save or download files (mozillaZine KB)

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