Fixing the HTTP Error 304 Not modified error on Windows 10

When you get the “HTTP Error 304 Not modified” error in Google Chrome, Mozilla Firefox, or Microsoft Edge, there can be lots of reasons why you’re getting this error. The HTTP Error code 304 means redirection, technically. It could be that the DNS has some issues or the cache is already reusing the existing information to look for a website or it could also be that your browser might be infected.

In this post, we will show you what you can do to fix the “HTTP Error 304 Not modified” error when you are not able to open a website on your browser. Here are the exact details of the error message:

“This status code is returned if the client has already downloaded resources since the last visit and is displayed to notify the client browser that the requested resources is already stored in the browser cache which hasn’t been modified.”

Follow each one of the given fixes below to resolve the issue.

Option 1 – Clear the browsing data on your browsers

The first thing you can try is clearing the browsing data on your browsers.

Microsoft Edge:

  • Open Microsoft Edge.
  • Then click on the three horizontal dots to open the menu.
  • From there, click on Settings. And under Settings, click the “Choose what to clear” button under the Clear browsing data section.
  • Next, check all the checkboxes and then click the Clear button to clear the browsing data in the Edge browser.
  • Restart Edge.

Google Chrome:

  • Open Chrome and then click on the three vertical dots located at the top of the window.
  • Then click on Settings.
  • After that, click on Advanced. And from the Privacy and Security section, click on the “Clear browsing data” option.
  • Now click on the CLEAR DATA button.
  • Restart Chrome.

Mozilla Firefox:

  • Open Firefox and then click on the three horizontal lines to open the menu.
  • From there, click on Options.
  • Next, select Privacy & Security.
  • After that, click on the Clear Now button under the Cached Web Content section and then click the Clear All Data button under the Site Data section.
  • Restart Firefox.

Option 2 – Flush DNS and reset the TCP/IP

There are some websites that don’t resolve since the DNS in your computer still remembers that old IP address. And so you need to flush the DNS as well as reset the TCP/IP on your computer.

  • Click the Start button and type in “command prompt” in the field.
  • From the search results that appear, right-click on Command Prompt and select the “Run as administrator” option.
  • After opening Command Prompt, you have to type each one of the commands listed below. Just make sure that after you type each command, you hit Enter
    • ipconfig /release
    • ipconfig /all
    • ipconfig /flushdns
    • ipconfig /renew
    • netsh int ip set dns

After you key in the commands listed above, the DNS cache will be flushed and the TCP/IP will reset.

Option 3 – Try using the Google Public DNS

Changing your DNS to Google Public DNS might also help you in fixing the “HTTP Error 304 Not modified” error. To do so, follow the steps below.

  • The first thing you have to do is right-click on the network icon in the Taskbar and select Network and Sharing Center.
  • Next, click on the “Change Adapter Settings” option.
  • After that, search for the network connection that you are using to connect to the internet. Note that the option might be “Wireless Connection” or “Local Area Connection”.
  • Right-click on your network connection and click on Properties.
  • Then select the new window to choose the “Internet Protocol 4 (TCP/IPv4)” option.
  • After that, click on the Properties button and click the checkbox in the new window for the option “Use the following DNS server addresses”.
  • Type in “8.8.8.8” and “8.8.4.4” and click OK and exit.

Option 4 – Run Cleanup Tool and disable Extensions

You might also want to run the Cleanup Tool in Chrome if you are using this browser as well as disable all the extensions as some of them, if not all, might be the reason why you’re getting the “HTTP Error 304 Not modified” error.

Congratulations, you have just fixed the Error 304 in Windows 10 all by yourself. If you would like to read more helpful articles and tips about various software and hardware visit errortools.com daily.

Now that’s how you fix the Error 304 in Windows 10 on a computer. On the other hand, if your computer is going through some system-related issues that have to get fixed, there is a one-click solution known as Restoro you could check out to resolve them. This program is a useful tool that could repair corrupted registries and optimize your PC’s overall performance. Aside from that, it also cleans out your computer for any junk or corrupted files that help you eliminate any unwanted files from your system. This is basically a solution that’s within your grasp with just a click. It’s easy to use as it is user-friendly. For a complete set of instructions in downloading and using it, refer to the steps below

Perform a full system scan using Restoro. To do so, follow the instructions below.

      1. Download and install Restoro from the official site.
      2. Once the installation process is completed, run Restoro to perform a full system scan.
        restoro application screen
      3. After the scan is completed click the “Start Repair” button.
        restoro application screen
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