Why does Viber not start on a computer with Windows 7 and how to fix it?

How to prevent Viber from starting automatically

The first problem that users of the messenger often encounter is its spontaneous launch. Before you even have time to turn on your smartphone or computer, the program is already right there. And along with it, constant online and tons of personal messages.

To disable this feature, do the following:

  • Go to settings.
  • Find the “Account” item there.
  • Uncheck the "Automatically run..." checkbox.

This algorithm only works on PC. On phones, you must manually stop the application using “Settings” ― “All applications” ― “Viber” ― “Stop”.

Viber does not start on Windows 7: possible reasons

Viber may not start immediately after installation or after using this program for some time. It is also quite possible that this messenger refuses to run after it is reinstalled or after a successful update. As a rule, if an application cannot be launched, a window appears in which there is a description of the error that caused such capricious behavior of the program.

Sometimes, a startup error appears after updating Windows 7. This generates an error with the long number 0x000000005.

It must be said that if this exceptional situation occurs in the operation of Viber, then this program may not be the only one on the PC that cannot be launched. The reason may also be incorrect installation of the messenger. In addition, Viber requires an open port to communicate on the Internet, but the application may be blocked at the firewall level. Thus, there may be many reasons for this problem.

Useful: What is a Viber wallet and how to use it in the Viber application?

Why doesn't it start

Sometimes the problem is completely opposite to the previous one: the user needs the messenger to start, but it refuses to do so. There are many reasons for this, but they are all caused by internal errors in the program.

There are several solutions. First, try simply reinstalling the program after completely uninstalling it using CCleaner. If this does not help, right-click on the shortcut and select “Run as administrator.”

The second method requires an administrator account. If you do not sit through it, you will have to enter a password.


The specific action to eliminate the cause of the incompatibility depends on the program error. Various glitches may occur during the operation of the messenger, which lead to Viber not launching on Windows 10 or another version of this OS.

We will describe each solution in more detail so that you can find an action algorithm that suits your case.

Restarting the computer

Windows operating system processes often crash regardless of user actions and this cannot be tracked. To eliminate this cause of errors in the operation of the messenger on your laptop or PC, you need to perform such a simple action as rebooting the system. There is no need to fix anything anymore here. If this doesn't help, move on to the next options.

Rebooting the operating system on the computer.

Checking your Internet connection

One of the main reasons why Viber does not work on a computer may be a problem with the Internet connection. Be sure to make sure your PC has an active internet connection.

On Windows 7 or Vista, to do this, go to the “Control Panel” and select “Network and Internet”. Then you will see the inscription “View network status and tasks”, where you can check the availability of a network access point and connect to it.

On Windows 10, to test your connection, select “Internet Access” in the lower right corner of the screen. Then go to Network and Internet Settings and make sure the connection is active and functioning. If everything is correct, the Internet connection will occur automatically.

Be sure to check the network access on your phone - the application may not connect due to lack of communication with the second device and require its presence.

Checking the status of the Internet connection.

Checking ports

This check is necessary to see how open your PC is to receiving data from the outside world and the network.

This can be done using services like CurrPorts, as well as through the Windows command line.

  1. To do this, click on “Start” and enter “cmd”, right-click on the command line and run as administrator.
  2. Then in the black screen that opens, type “netstat” and press “Enter”. This will give you a list of all open ports on your computer.

Detailed instructions can be seen in the video:

Updating drivers for the video adapter

Problems with video communication can be caused by outdated drivers that interfere with the normal operation of the video card.

To fix this problem on Windows Seven, follow the steps below:

  1. Go to Control Panel and find Device Manager.
  2. Next select “Video adapter” and “Properties”. In this tab you need to click on “Driver” and “Update”.
  3. After that, restart your computer and try opening the application again.

Installing the latest version of Viber

Malfunctions of the messenger also depend on the version of the service installed on your PC, tablet or iPhone/Android. Make sure all your devices have the latest Viber update downloaded.

Information about the latest version installed on the PC.

Correcting antivirus and firewall settings

Automatically configured antivirus software or an OS firewall can interfere with normal operation, as the Viber Blog describes. An antivirus, after updating itself or downloading a new version of the messenger, may consider it malware. The antivirus will write about the viruses found and block its operation. A firewall, or “firewall,” is designed to inspect and filter any data coming from the network.

For Windows 8 or 10 you need to use the control panel:

  1. Click on "Start".
  2. Select Control Panel.
  3. Open “Windows Firewall” – “Turn the firewall on or off.” In this window you can actually disable it.
  4. Apply all the settings you have made.

Detailed instructions can be seen in the video:

The process of disabling the antivirus is also simple. Here, in the same way, you will need the “Control Panel” and the “Administration” department. After selecting the desired item, click on “System Configuration”, an additional window will open.

There the disabling process will take place: alternately open the “Services” and “Startup” options and, wherever you notice the name of your antivirus, uncheck the boxes.

Treating the system for viruses

If disabling your computer's Defender does not help, try using it. To do this, you need to run the scanner built into any antivirus program installed on your PC. This utility will eliminate all potentially dangerous files, so after it works, try launching Viber again.

Important: sometimes an antivirus program can classify Viber on a computer as malware. In this case, delete the messenger and install it again. The download must be from the official website of the developers - viber ru or http viber com. After that, run the scan for malicious files again.

If the above methods do not help, contact technical support. Viber support service works around the clock on weekends and holidays.

Why it doesn't connect to the Internet - all the reasons

The third most popular problem is the lack of an Internet connection, even though there seems to be a connection and the router is turned on. Usually such a bug indicates a problem specifically on your side.

Try the following solutions:

  • Turn the connection on and off.
  • Reboot your device.
  • Disable your antivirus or firewall.
  • Reinstall the software.

Check your connection speed as well. You can do this on the website 2ip.ru. Maybe this is where the problem lies.

How to launch Viber?

The first thing you need to do is try reinstalling the program. Before doing this, you should uninstall it not through the control panel, but through the Unistall Tool program, because it removes the program, cleaning up all traces of it.

Then you restart your computer, go to the official website and download the Viber installation file, which you then run and install.

Downloading Viber from the official website

If it still does not start, you should update your video card drivers. Yes, no matter how banal this advice may seem at first glance, it should never be ignored. Since the appearance of Viber is constantly changing, this leads to increased demands from the video card.

Also regarding drivers, if you have a built-in video card, then try to completely remove the drivers for it through the device manager by checking the “Uninstall driver programs for this device” checkbox.

Removing built-in video card drivers through Device Manager

Then restart your computer and try to launch the program.

It is worth noting that on computers with a built-in video card, installing any, even the cheapest, discrete video card helps solve the problem of Viber not starting.

If nothing helps and Viber still won’t start, then your only option is to install Windows 10. In this case, your computer must meet the minimum system requirements.

Why doesn't Viber work on my smartphone and won't connect?

First, check if the Internet is connected to your smartphone. First, turn off the Wi-Fi network if it is connected, and try to launch Viber via a mobile connection. If nothing works normally, reboot your smartphone and try again. This can help resolve errors and return the application to stable operation.

An “error” appears in Viber when activating a number - what should I do?

The “Error” message appears either immediately when activating the application, or after deactivating your account, and it also happens when you rearrange the messenger. What can cause an Error message in Viber ?

See also: Fresh render of Samsung Galaxy S9+: now in blue

Your number has been blocked due to spam. This happens to users who send too many messages to a large group of people. The system automatically blocks or bans your number FOREVER!

General tips for solving problems:

1. Restart your smartphone; 2. Disconnect from the network (Wi-Fi) and check the Internet; 3. If steps 1. 2. did not help, uninstall and reinstall Viber. 4. There may be problems with your provider or on the Viber servers. You just need to wait until everything is restored on their servers. 5. Perhaps your number has been completely blocked.

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