How to fix Error 401 Unauthorized and be able to navigate

Although it may seem like an error related to the hosting servers of the website, the reality is that we have a problem with the access permissions of a website, and that they are related to the authentication to that web service.

Among the messages that occur when the 401 error code appears we have:

  • 401 Not Authorized
  • Error 401 Unauthorized.
  • 401 Authorized Required.

A very similar error that should be distinguished from error 401 is 403. In both cases they have in common that we are prevented from accessing it. Thus, in the case of the 403 Forbidden error, it refers to a prohibition by the web administrator that prohibits access to a section without offering registration options. This is done because these pages or directories are for internal use only, and should not be available to external users. On the other hand, with the 401 error you can get access with any of the solutions that we discuss below.

Solutions to the 401 Unauthorized error

To solve this 401 Unauthorized error that can occur at any time when accessing a web page, it is absolutely necessary to review some parameters and know if access to a specific URL requires authentication by the client. In case we need authentication, we will need to know both the username and the password.

Review the URL and refresh the website

On many occasions the 401 error occurs for a short period of time. A simple and effective solution could be to wait a few minutes and then try again to access the website we wanted to visit. So while we wait we can start with check that url what have we put is correct and also that is not obsolete because the administrator has changed it. One way to refresh this website would be to press the circular arrow button that you have indicated in the address bar with a red arrow.

We could also choose to reload the website by pressing the F5 key and pressing enter. If with this we can not fix it, we will go on to try other solutions, such as the ones you will see below.

Check your credentials carefully

As we have already mentioned, the 401 Unauthorized error occurs many times because we do not enter our username and password correctly. We are going to take our time and do things right by entering the credentials correctly. To do this, what we are going to do is leave the username and password fields blank.

Then we introduce our username or e-mail and then the password. At the time we do this, we must be very careful entering uppercase, lowercase or symbols as appropriate.

Clear your browser’s cache

The cache of an Internet browser is designed to improve our experience by reducing the loading times of the website. Although it accelerates the loading of web pages at times, it can be the focus of conflicts. One of the most common causes of error 401 is when the data in the cache or cookies is out of date or contains incorrect data. Therefore, if we have already reviewed the URL and verified the credentials, the next step we must take is clear the cache of our browser.

In this case, we will briefly explain how it is done for the browsers that are most used in Windows, which are Google Chrome and Mozilla FireFox. In Google Chrome, we go to the upper right corner where the three option points are. Then we must follow these steps:

  1. We are going to Setting.
  2. On the left we select Privacy & Security.
  3. Click on Clear browsing data.

Then in the tab Basic we configure as in the following screenshot and click on Delete data.

In the case of Mozilla Firefox we go to the upper right corner and click on the 3 horizontal lines of options. Then we follow these steps:

  1. We select Settings.
  2. On the left we click Privacy & Security.
  3. Click on Clear History.

Then we select the same options that we have on this screen and click on the button To accept.

Next, we check if the 401 error has been solved and otherwise we try with the following option.

Cleaning the DNS cache in Windows

In Microsoft operating systems we can clean from a window Command Prompt. To do this from the Windows start menu we write the command «cmd»And press enter. Once we are in a Command Prompt window, we must enter the following command and press enter:

ipconfig /flushdns

This would be an example after the introduction of this command that can fix the 401 error.

If this was the problem, we will be able to enter that website again, otherwise, we can try the following solutions.

Other solutions we can use

We would also have to test these resources if all of the above has failed:

  • Try to access with a different browser, in case the one we are using has problems loading that specific website.
  • Review the add-ons that we have installed in the browser.
  • Contact the website administrator discussing all the software you are using and the problem.
  • If it is WordPress, sometimes it can be solved by deactivating the plugins.

As you have seen, the 401 error occurs whenever we are not authenticated in a web server, in this way, it will return an error. The first solution we should try is to authenticate with our credentials, after trying this, we could try other solutions such as checking the URL in case it is wrong, changing the browser, clearing the cache and even connecting with the website administrator explaining the problem in detail.

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