IMHO, if Skype gives you trouble, use something else.
There are many alternatives that work as good or better.
16 Best Free Alternatives to Skype in 2014Microsoft bought Skype in 2011, and in 2013 said it would eventually “update” users of its Live Messenger service to Skype. That's understandable, because communication between users has increasingly shifted to online services, and installing a self-contained program for chatting is cumbersome.
Finally Microsoft put the live Messenger program to an end on April 2013 and is no longer supported on major operating systems like Mac and Windows, Microsoft wants the Live Messenger users to update to Skype.
But you do not have to live with Skype.
There are about 16 best Skype alternatives explained in this article, each application / service has its own unique properties.
For more... click on link above.