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.
The first thing you can try is clearing the browsing data on your browsers.
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.
After you key in the commands listed above, the DNS cache will be flushed and the TCP/IP will reset.
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.
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.

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PC Optimizer Pro is a PC optimizer utility developed by Xportsoft Technologies. It is classified as a potentially unwanted program, due to its aggressive scan and registration reminders, and that it is often distributed bundled with other programs in a manner that leads many users to not know how it got on their computer. While not inherently malicious, PC Optimizer Pro adds numerous registry keys, startup entries and while running consumes a relatively high amount of system resources, especially during its scans. The software installs from a .exe file that is around 5.20 MB or 5.453.240 Bytes (depending on the version). As of the publication of these videos, the current version of PC Optimizer Pro was detected as malicious or potentially unwanted by at least 21 AntiViruses.
Windows cannot connect to the printer. Operation failed with error 0x0000007c.If you are experiencing this type of annoyance, fear now we are providing you with several solutions to this problem.
Update Windows 11Error Code 0x80240001 usually occurs in Windows 10 and is specific to the process of updating your system. It is similar to an error code found in previous versions of the software during the update process. There are a number of steps that can be taken to solve this error code, most of which are fairly easy for the average user to undertake.
Common symptoms for this particular error code include:
While it can be frustrating to have this message appear during the update process, users can resolve the error in a number of ways. However, if you are not confident in your ability to follow the steps below or if the methods listed fail to resolve the problem, contact a certified Windows 10 repair technician to assist you in the process.
Error CausesError Code 0x80240001 occurs when the Windows Update tool is unable to complete its service successfully. This error occurs most often when users attempt to update to Windows 10 from older versions of the software, including Windows 7, 8, or 8.1.
This particular error code can also occur when your system has not been updated in a regular fashion. Stacked updates make it more likely for Error Code 0x80240001 to occur.
In most cases, when Error Code 0x80240001 appears on your screen, the update process will be halted. Sometimes, the screen may display a single color background, removing the appearance of all other windows and applications.
Fortunately, there are several methods that you can use to attempt to circumvent the problem and see the update process through to completion.
While it can be frustrating to deal with an error when you attempt to update your Windows software, there are several ways that you can seek to resolve the issue that causes Error Code 0x80240001. These steps are relatively simple to complete and do not require advanced techniques to be used. However, if you are not confident in your ability to complete the steps listed below, enlist the aid of a qualified Windows technician to help you.
Here are the most common ways that Error Code 0x80240001 can be resolved for Windows 10:
From the Windows website, you can download the Windows Repair tool, if it is not already installed on your computer. While there are other tools available through outside sites that claim that they can resolve this error, in many cases, they can be a carrier for viruses and other kinds of malware, so it is inadvisable to use non-Windows tools to fix this particular error code.
Once you have successfully added the Windows Repair tool to your computer, open it up and look for the option to run “Repair Windows Update.” Using this process, your system can search for and resolve the error, allowing you to successfully run the update tool through to completion.
In some cases, software that has been recently added to a non-updated computer can cause the update process to experience issues. If you believe that this may have occurred in your case, simply uninstall the software in question, then attempt to run the Windows 10 Update process again.
The best way to prevent this error from reoccurring when you seek to update your Windows 10 system is to apply updates within a short period of time from their release date. It is recommended that users update regularly, which can allow them to avoid a number of issues that are common to the update process.
If you have any difficulty in resolving Error Code 0x80240001 after you have attempted these steps, you may need to enlist the help of a qualified technician who is familiar with the specific errors related to the Windows 10 Update process. This can especially be helpful if you have recently installed a number of new kinds of software and are unsure of whether or not any specific one may be causing your issues. If you wish to always have at your disposal a utility tool to fix these Windows 10 and other related issues when they do arise, download and install a powerful automated tool.
regsvr32.exe vbscript.dll
“Script: <PATH of the VBS Script> Line: x Char: x Error: The description of the error. Code: xxxxxxxx Source: (Source of the error)”At the time of writing, it isn’t clear yet what the root cause of the error really is but there are several potential fixes you can check out to fix it. You can try to run the System File Checker or set the default value for the .vbs key, or troubleshoot the problem in a Clean Boot State. You could also try to repair Install Windows 10 or scan your computer for malware. For more detailed instructions refer to the following options.