How to Fix Firefox Browser Error NS_ERROR_NET_PARTIAL_TRANSFER

NS_ERROR_NET_PARTIAL_TRANSFER is a common error Firefox users encounter when accessing certain websites or downloading files. This error occurs due to various factors such as network issues, server problems, or browser settings.

If you have encountered this error, don’t worry; we’ve got you covered.

Troubleshooting Tips for Firefox Browser Error NS_ERROR_NET_PARTIAL_TRANSFER

Check Your Internet Connection

The first step in resolving the NS_ERROR_NET_PARTIAL_TRANSFER error is to ensure your internet connection is stable.

Check if other websites are loading correctly or if other devices on your network are experiencing similar issues. If the problem is isolated to Firefox, move on to the next steps.

Clear Firefox Browser Cache and Cookies

Outdated or corrupted cache and cookies can lead to network transfer errors.

• To fix this, go to the Firefox menu.
• Select “Options,” and click “Privacy & Security.”
• Under the “Cookies and Site Data” section, click on “Clear Data.”
• Ensure that both the “Cookies and Site Data” and “Cached Web Content” options are selected.
• Then click “Clear.”
• Restart Firefox and check if the error persists.

Disable Firefox Browser Extensions

Extensions can sometimes interfere with network connections and cause partial transfer errors.

• To determine if this is the issue, start Firefox in Safe Mode by holding down the Shift key while launching the browser.
• In Safe Mode, all extensions will be disabled.
• If the error disappears, it indicates that one of your extensions is causing the problem.
• Disable each extension individually and restart Firefox until you identify the problem.

Reset Network Settings

Occasionally, incorrect network settings can trigger the NS_ERROR_NET_PARTIAL_TRANSFER error.

• To reset Firefox’s network settings, type “about:config” in the address bar and press Enter.
• Click on “Accept the Risk and Continue” if prompted.
• In the search bar, enter “network.http” and right-click on the “network.http.max-connections-per-server” preference.
• Choose “Reset” to restore the default value.
• Restart Firefox and check if the error is resolved.

Disable Proxy Settings

Proxy settings can interfere with network connections and cause partial transfer errors.

• To disable proxy settings in Firefox, go to the menu, select “Options,” and then click on “General.”
• Scroll to the “Network Settings” section and click the “Settings” button.
• Select the option “No Proxy” and click “OK.”
• Restart Firefox and see if the error persists.

Update Firefox Browser to Latest Version

Outdated browser versions may contain bugs or compatibility issues that lead to network errors.

• To ensure you are using the latest version of Firefox, click on the menu.
• Select “Help,” and then click “About Firefox.”
• Firefox will automatically check for updates and install them if available. 
• After updating, relaunch Firefox and verify if the error is resolved.

Temporarily Disable Antivirus and Firewall

Overly restrictive antivirus or firewall settings can sometimes block certain network connections, causing partial transfer errors. Temporarily disable your antivirus and firewall to check if they are causing the issue.

If the error disappears, reconfigure the security software to allow Firefox access to the internet.

By following these steps, you can easily overcome the NS_ERROR_NET_PARTIAL_TRANSFER error and browse the web. Happy browsing!