14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Mozilla Firefox has become a preferred browser for its customizable features, functional add-ons, and more. However, you might encounter errors like Firefox downloads failing or the browser not opening. To help, here are 14 easy ways to fix Mozilla Firefox downloads failing on Windows 11.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

We will start with troubleshooting steps like restarting your device and gradually move on to more advanced fixes like resetting the download location and reinstalling the Firefox browser. Let’s get started.

1. Pause and Restart Downloads

Restarting a failed download can result in it getting stuck and failing again. To fix this, you can try pausing and resuming the download. Here’s how:

Step 1: Click on the downloads icon.

Step 2: Right-click on the download and select Pause.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 3: Right-click on the download and click Resume.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

If the download still fails, try the next troubleshooting method.

2. Restart Your Windows System

Restarting your device ends processes and starts them from scratch. This fixes problems from a bad system boot. If you face issues like Firefox downloads failing, restart your device and browser to fix it.

Step 1: Go to Start and click Power.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 2: Click on Restart.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

After your device restarts, open Firefox browser and try downloading the file again.

3. Check Wi-Fi Connection

Downloads require a stable Wi-Fi connection to function. If you’re experiencing issues with downloads on Firefox, it’s recommended to verify your Wi-Fi services and ensure you’re connected to a stable network. Here’s how:

Step 1: Click the Wi-Fi icon on the Windows taskbar, then select the Wi-Fi button.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 2: Connect to your preferred Wi-Fi network.

Tip: You can refer to our articles to check your Wi-Fi speeds and signal strength.

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4. Disable Antivirus and VPN Services

VPN Services can cause problems with downloads by limiting data speeds and restricting websites due to changes in geolocation. This can result in downloads on Firefox failing. To fix this issue, go to your VPN app and click Disconnect.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Certain antivirus programs or firewalls may block your download if they detect it as harmful. If you are confident that the file is safe, disable your internet security software to proceed with the Firefox download. If the download continues to fail, try the following methods.

5. Clear Firefox Download History

Firefox keeps track of your downloaded files, but a long history can cause downloads to freeze and fail. To fix this, clear your Firefox download history. Here’s how:

Step 1: Open Firefox.

Step 2: Click the menu icon and select History.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 3: Click Manage History.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 4: Go to Downloads and click Clear Downloads.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Your Firefox download history will be cleared.

6. Clear Firefox Cookies and Cache

Every browser saves information like site data and temporary files to load web pages faster and ensure a smooth experience. However, this data can also cause problems if compromised.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

If your downloads fail on Firefox, clearing your browser’s cache and cookies can help. Check our guide on how to clear cookies and cache for Firefox.

7. Remove Firefox Browser Extensions

Extensions add customized features to your browser but can interfere with browser settings, causing performance issues. Removing extensions can fix problems with failed Firefox downloads. Here’s how:

– Open Firefox browser.

– Click the menu icon and select Settings.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 3: Click Extensions & Themes in the bottom left corner.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 4: In the Extensions tab, click on the menu options for the extension you want to remove.

Step 5: Click on Remove.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 6: Click Remove to confirm.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

The extension will be removed from Firefox. Repeat these steps to remove other extensions from Firefox. Then, try downloading your file again.

8. Change Your Download Location

Firefox downloads can fail if there is a problem with the folder they’re saved to. To avoid this, change your download location in Firefox settings before retrying the download. Here’s how:

Step 1: Open Firefox.

Step 2: Click on Menu in the top right corner and select Settings.

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14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 3: In the General tab, scroll to Downloads.

Step 4: Click on Browse.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 5: Select the new folder and click on Select Folder.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Close the Settings tab. The location for saving your Firefox downloads will be changed.

9. Reset the Download Folder

Changing the download folder may not resolve the issue. Resetting the download folder to default can ensure that Firefox downloads do not fail. Here’s how:

1. Open Firefox.

2. In the search bar, type “about:config” and press enter.

3. Click on ‘Accept the Risk and Continue’.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 4: In the search bar, type “browser.download.lastDir” and press enter.

Step 5: Click Delete to reset the value.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

After closing the tab, restart Firefox. Your download folder has been reset.

10. Change Firefox File Type Settings

If your Firefox downloads fail, try changing the Firefox file type settings. As Firefox handles file types differently, it might prevent you from downloading certain files. Here’s how to do it.

Step 1: Open Firefox and click the menu button.

Step 2: Click Help.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 3: Click on ‘More troubleshooting information.’

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 4: Scroll down to Profile Folder and click Open Folder.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 5: Locate the handlers.json file and delete it.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Alternatively, you can rename the handlers.json file to ‘handlers.json.old’. Then, restart Firefox and try downloading the file again.

11. Disable Firefox Safe Downloads

The Firefox Safe Downloads setting protects your device from perceived malicious downloads, but it can also restrict and cause download failures. Here’s how to disable this setting:

Step 1: Open the Firefox browser.

Step 2: In the search bar, type “about:config” and press enter.

Step 3: Click on ‘Accept the Risk and Continue’.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Step 4: Type block_download_insecure and press enter.

Step 5: Click the toggle to change the value to false.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Once done, close the tab and try downloading the file again. If it still doesn’t work, try the following methods.

12. Use Firefox Refresh

Most browsers have reset functions, but Firefox Refresh is unique. It removes non-essential settings and components, such as extensions, add-ons, and permissions, without deleting user data. This allows you to reset your browser and fix issues like failed downloads while keeping your data safe.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Refer to our guides to learn how to use Firefox Refresh.

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13. Check for Firefox Updates

Keeping your browsers up-to-date is necessary. Updates provide access to the latest features and security patch updates and bug fixes. If your browser is out of date, it may experience issues such as failed downloads. Therefore, it is recommended to regularly check for and install the latest browser updates.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Refer to our guide on checking and installing updates for Mozilla Firefox for more details.

14. Reinstall Firefox

If your downloads still fail, reinstalling Firefox could be your last resort to fix it. This will eliminate any custom settings and clear problems from a bad update or data error.

14 Ways to Fix Mozilla Firefox Downloads Failing on Windows 11

Refer to this article for information on how to uninstall Firefox completely. Afterward, download the Firefox installer using the link below and follow the instructions for a clean installation.

This should resolve the issue and make it easier to download media files. If you have further questions, proceed to the next section.

FAQs About Firefox Downloads

Yes, you can check the location of your downloaded file after it finishes downloading.

Yes, you can check the location of your download by clicking on the download icon in the top right corner and then clicking on the file icon in front of the downloaded file. This will open the folder where your downloaded file is saved.

Know Your Browser

Browsers today come with optimized features for the best user experience. However, Firefox download failure is always frustrating. We hope these methods help fix the issue of Mozilla Firefox downloads failing on Windows 11 devices. Let us know in the comments which trick worked for you.

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