All you need to do is to switch to your local account: Worry not, because there is a simple solution.
In addition, you can access your OneDrive files anywhere and with ease just like on your personal computer, but it seems logging in with your Windows Live account is preventing you from playing World of Warcraft. Logging in to Windows 10 using your Windows Live account is rather useful, you can keep your settings and Start screen synced across all Windows 10 devices. So in order to fix this, you need to login to your computer using your local account. Home › Fix › FIX: World of Warcraft Won’t Start in Windows 10
