Kodi v16.1 Jarvis – Lagging in Menus

So i am running this on my PC (windows 8.1) and up until today it has run fine. I usually use Kodi on my right monitor and do my work on the left one. Now when I click onto the left monitor and back onto Kodi it freezes Kodi on the menus and I can’t click anything for like 5-10 seconds and it happens everytime i click off of Kodi and back onto it. I installed Echo Wizard today to set up the live TV which I got to work and ever since then it has started lagging. I don’t have bad internet or a bad computer either both are really good actually. Any Help?