SOLVED! Can’t access shared network folder - Windows 10 - no guest access

Solved. Do you get this message: "You can’t access this shared folder because your organization’s security policies block unauthenticated guest access" or the Network Error "Windows can't access....." Home network only sharing in one direction? The network works only one way?
Hope this video helps you out. I'm no expert, but this helped me after hours and hours of searching the web. Make sure you do backup your registry before changing anything.