Updating the game will easily fix the issue and help you get access to many new features.
Often the Minecraft Realms version is not compatible with the older version of Windows and shows the error message. This often happens as you lose the connection and blame it on a bigger issue. In this case, a simple solution starts with checking on a few things to fix Minecraft Realms internal server error 500. There are a few things which might seem small but can be the reason behind the big problems. Take a look at the fixes for Minecraft Realms server status error- 1.
Here we focus on all of the reasons behind this issue and then fix it with the possible solution. There are many ways to fix the Minecraft Realms not working on your Windows PC. How To Fix Minecraft Realm Internal Server Error 500?