VPN gets the authentication failed error

A VPN (Virtual Private Network) allows you to use the internet with an additional layer of security. At first, it was initially created to connect business networks securely to the internet. Today VPN is used for purposes such as bypassing geographic locations for hiding your true location. Although installing a VPN is quite easy, some certain issues can occur. In this article we talk about the VPN failed authentication error Windows 10.

Before performing any troubleshooting steps listed below it’s best to restart your computer and router first. This restart action can refresh the PC’s operating system and remove any corrupt temporary data which causes the problem.

There are various factors that can cause this problem such as interference from the antivirus software to a corrupted VPN. Here are the troubleshooting steps you need to do to fix this problem.

Turn off the antivirus

The first thing you need to do is to turn off the antivirus software that you using as this usually occurs with the way your VPN works.

If you are using Windows Security

Go to Windows Security – Click Virus & threat protection > Click Manage settings

Turn Off the Real-time protection.

If you are using Avast antivirus software

Right-click on the Avast icon.

Click on Avast shields control.

Search the options to disable the program and disable it for 10 minutes, an hour, or until the computer is restarted or disable it permanently. Select whatever option suits you and disable the program.

If you are using AVG antivirus

Right-click on the AVG icon.

Click on Temporarily disable AVG protection.

Choose how long you want to disable AVG antivirus software and it’s Firewall too.

Click OK to complete the disabling of the antivirus program.

If you are using McAfee

Right-click on the AVG icon.

Click on Exit.

You see a dialog box warning you that McAfee‘s antivirus protection will be turned off.

Click on Yes to disable the antivirus program

If the VPN authentication failed error does not get fixed after turning off the antivirus software then you turn on the antivirus software and then add your VPN to its exception list.

Windows Defender

Go to “Windows defender”.

Open “Windows Defender Security Center”.

Select the “Virus and threat protection” option.

Go to Virus and Threat Protection Settings.

Search the window which mentions “Add or remove exclusions”. Click it and you will be taken to a menu where you can add exclusions.

Click the “Exclude a folder” option and go to your VPN directory. Once you see it then select the folder and save changes. Then the process will be completed and you can use your VPN

Bitdefender

Open Bitdefender and go to the Protection Window.

Click the View Modules option.

Click on the Settings icon

Go to the Exclusions tab

Now Click the option of “List of files and folders excluded from scanning” and Click on the ADD button.

Now go to your VPN directory and exclude it from the scanning process. Click Add and save changes.

Avast Antivirus

Open the Avast.

Click on Settings

From Settings, go to General and scroll down to the Exclusions option.

Expand the section and you will see a box where you can add the exceptions. Go to your Chrome directory using the Browse option.

Once you have selected the VPN folder, click on the ADD option (located at bottom of the screen).

Press OK and now it is excluded from Avast antivirus scan.

McAfee Antivirus

Open McAfee Antivirus and Click Manage Security option.

Select the Schedule and run the scan.

A new window will open and from there you will see the Add option present in the Excluded Files and Folders.

Select the VPN software after clicking the Add option.

Once you reach the location, now select the folder and click save changes.

Kaspersky AV

Open Kaspersky antivirus software

Go to Settings

Select the tab of Additional and now select Threats and Exclusions option.

Click on the Configure Exclusions option.

Select the option of Add present.

Now go to the VPN directory. Once you reach the location, now select the folder and click save changes.

Malwarebytes

Open your Malwarebytes

Once the program is opened, click on the Malware Exclusions tab.

Here, you can see the “Add folder” option. Click it and you will go to File Explorer and select the VPN directory easily.

Turn off the firewall

The other element that can interfere with how your VPN is the firewall. To check if this is the reason you should try to disable it.

Open a command prompt and select Run as Administrator.

Now, Type netsh advfirewall set allprofiles state off and then press Enter. This helps to turn off the firewall for Private and Public Network

In case you still have any problem in this mode then you should turn on the firewall and add the VPN to its exception list.

To turn on the firewall, type the command (netsh advfirewall set allprofiles state on) in the command prompt then press the enter key.

To add the VPN to the exception list

Type “Windows Firewall”.

Select “Allow an app through the Windows Firewall” in the result panel

Now click the “Change Settings” option and then select “Allow another app” option.

Select your VPN and then choose the “Add” option.

Select “OK” to finish the process of adding the VPN to the Windows Firewall.

If you still experiencing the problem then we recommend you to try the below steps:

Check VPN login credentials

Another factor that can create this problem is when you log in to your VPN account with the wrong login credentials. Make sure that you are using the correct username and make sure to check the uppercase and lowercase letters in your password.

Don’t exceed the number of connections

Most premium VPN subscriptions will only allow a certain amount of VPN connections. If you have connected several devices using the same service then disable the VPN on the unwanted devices and only run it on the device which is experiencing the problem.

Now check that the VPN authentication failure error windows 10 still occurs on your PC.

Check your service

If you are using a premium VPN account then check that the service is paid or due. If you are using a free account then check whether the trial period has ended.

Reinstall the VPN client

If you tried all the above steps to fix the problem then you should uninstall the VPN client and then download it from the official website.

If you are experiencing other VPN problems then immediately give a call to our computer customer support team. We are available 24/7 and help you to fix all kinds of VPN issues, Antivirus issues, Microsoft issues, and other PC or laptop issues through phone or live chat support. We are available in this lockdown time too so you can call us anytime and get your error fix.

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