The simplest way to fix this issue is to upgrade your Skype messenger to latest version. Next, check for the internet connection. Make sure you are typing the correct email id and password. If you have tried all; get in touch with our techies for quick solutions. We will share with you step-by-step guide to fix sign in issue to Skype messenger. Go for a live chat or provide a detailed description of your problem via email. We also have toll-free number which is accessible 24 by 7.