This is important, You need to update your BlogEngine machineKey in the web.config file.
here is how you can do it:
- Go to This Website
- From Framework version select ASP.NET 4.5
- Copy the generated code
- In the web.config file in the root of your BlogEngine files, find the machineKey code.
- Replace it with generated code and then save. done!
Merry Christmas!