If Viber is not opening, launching, or responding, try these solutions to resolve the issue. Run Viber with administrative privileges Run Windows Store Apps Troubleshooter Reset Viber Allow Viber ...

One of the biggest rivals for Skype in the VoIP app scene is Viber, with over 200 million users accessing the VoIP service. Today, well over a year since Viber released its first Windows Phone app ...