Technical Solution
[Solved] Unable to login to Skype in Ubuntu?
If you have been using Skype on Ubuntu and you have been unable to login to Skype recently then it is only that the old version of Skype for Linux is no longer supported on Skype servers. You can solve this problem by purging the existing skype installation on your system and then re-installing the latest version of Skype from skype.com
Do the following to fix this problem
1. sudo apt-get autoremove --purge skype
2. Backup the .Skype folder in your home folder and then delete it
3. Download the latest version of Skype from the official website of Skype and install it.
This should solve the problem for you.
