Skype not only helps users share their views and ideas using the standard messaging tools but also helps users share their mood using the animated emoticons. While some users may like to use these animated emoticons, others may want to discontinue using them.
If you're using Skype for Windows 10 app on your computer:
If it still doesn't work you should reset it:
Note: your application's data will be reset but not your personal data like contact and profile.