
Skype then popped up a Windows Security window prompting for my password as well. So I closed out of outlook and launched it again and it opened this time. Once I completed this process I tried to open Skype for Business again, however this time it said my. I noticed that suddenly my outlook 2013 was popping up a Windows Security window prompting for a password. I rebooted my computer and was unable to launch the application. I performed the 64bit upgrade to Lync 2013 (which now makes it Skype for Business). Lync 2013 upgrade to Skype for Business download:

My company relies on Lync 2013 for everyday activities, therefore understanding this new transition is very important. As most of you know Microsoft released their Skype for Business client on 4/14/15 and plan to move their back end services to Skype by the end of May.
